Knowing Anna’s age is represented by x John s age is represented by x+1 and Tamara s age by x-2, if Anna’s age is 25, what are John’s and Tamaras ages?

Q: A $2,000 investment gains 10% in value in the first year and another 5% in the second year. What is…

A:

Q: the manager of a theatre wants to know whether the majorioty of ots patrons are adults or choldren.…

A: Given

Q: Last year in the school choir there were 30 boys more than girls. This year the number of kids in…

A:

Q: Gizelle wants an exercise that will lose at least 400 calories. Aerobics burn 7 calories per minute…

A:

Q: Gabriel is 1 year more than twice Nico’s age, 3 years from now, Thea will be 27 less than twice…

A:

Q: Tom has just received a new job offer, he is told that his starting salary will be $75,000 per year,…

A:

Q: stefam is teaching his daughter denise vocabulary words. Denise already knows 2 of the vocabulary…

A: Stefan wants Denise to know a total of 5 words the first day, 8 words the second day, 11 words the…

Q: Suppose that there are two types of tickets to a show : advance and same day , the combined cost of…

A:

Q: The battery of a cell phone is enough for 9 hours when the phone is off and 1.5 hours when the phone…

A: Let the battery of the cell phone lasts 9 hours when the phone is off. The battery lasts 1.5 hours…

Q: Jenny drove to the mountains last weekend. There was heavy traffic on the way there, and the trip…

A: Given query is to find the distance between the mountains and Jenny's home.

Q: The price of a dress is reduced by 40%. When the dress still does not sell, it is reduced by 40% of…

A:

Q: 60% of the flowers in the garden were roses and the rest were camellias. When some roses and…

A:

Q: Each morning during rush hour, 10,000 people want to travel from New Jersey to New York City. If a…

A: It is given that if x thousand people per morning drive to New York, it takes 20 + 5x minutes to…

Q: Sven placed exactly in the middle among all runners in a race. In 10th place, Dan placed lower than…

A: Given: Sven placed exactly in the middle among all runners in a race means number of runners must be…

Q: When ax' – x* + 3x + b is divided by x – 2, the remainder is 59. When it is divided by x + 1, the…

A:

Q: Nine more than the quotient of a number and 5 is equal to 2

A: Let the number be x

Q: Two is subtracted from a number, and then the difference is multiplied by 5. The result is 30. Find…

A: Simplification

Q: Jinny is selling bracelets for $5.00. So far, she has earned $370.00. She needs to earn more than…

A: Given, Each Bracelet = 5 Earned amount = 370 Required amount = More than 570

Q: CoffeeAM sells chocolate-covered blueberries for $10.95 per pound and chocolate-covered strawberries…

A: topic - equation in one variable

Q: The diagram shows how the students of Seattle University are coming to the university. About twice…

A: Given,

Q: When 8 is added to the number that is produced by doubling the number x, the result is equal to 8…

A:

Q: The manager of a store that specializes in selling tea decides to experiment with a new blend. She…

A: Given The manager of the store that specializes in selling tea decades to experiment with a new…

Q: The price of a dress is reduced by 20% when the dress still does not sell the price was reduced by…

A:

Q: I am a two-digit number whose digit in the tenth place is 1 less than twice the digit in the ones…

A: Assume that the digit at ones place be ‘x’ and the digit at tens place be ‘y’. the given information…

Q: UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the…

A: UPS For the first pound $7 and  $0.20 for each additional pound FedEx For the first pound $5 and…

Q: A mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue paint. To make…

A: Number of teaspoons of red paint to make mixture of purple shade with 35 teaspoons of blue paint For…

Q: Simon is a third of his dads age. In 12 years his dad will be twice as old as Simon. What are their…

A:

Q: Jose is 10 years older than his brother Lando. However, y years ago Jose is twice as old as Lando.…

A: It is given that, The present age of Lando = x years. Jose is 10 years older than his brother Lando.…

Q: What can we learn from this equation? For every degree increase in temperature, 3.7 more pretzels…

A: y = 3.7x -50 Slope = 3.7 Intercept = -50

Q: 2. Working together, Jennifer and Lori can plant a vegetable garden in 3 hours. If Lori works alone,…

A: *concept:- time is inversely proportional to efficiency. i.e. time = 1/efficiency.

Q: Suppose you are driving. You notice that after driving for 2 hours, you are 135 miles from Seattle.…

A: Given         We notice that after driving for 2 hours, we are 135 miles from Seattle. We continue…

Q: A pre-paid cell phone company charges $14.35 as a monthly access fee and $0.14 per minute of calling…

A: Let C be the cost and x be the calling time in minutes. Given  Monthly access fee =$14.35 Fees of…

Q: A number b minus 4.2 is less than -7.5.

A:

Q: The bank of France sells U.S dollars ($) at a rate of ($1.40)/(€1) and buys U.S dollars at a rate of…

A: We want to find how many U.S dollars will Sandra receive in exchange for €36. So, use that the bank…

Q: The price of a​ four-star meal was ​$50 per couple decades​ ago, has since increased 300%. The…

A: Initial price of the meal =$50 Percentage increase=300%=3

Q: I am a number less than 50. If you exchange the tens and ones digit, the new number is 45 more than…

A:

Q: The number x is 3 less than 2 times the number y. Which of the following expressions gives

A:

Q: Customers of a phone company can choose between two service plans for long distance calls. The first…

A:

Q: You want to build a 1200 square foot rectangular infinity pool. Three of the sides will have regular…

A: Given,           Area of the rectangular infinity pool, A = 1200 ft2           Regular pool walls…

Q: A thermometer is taken from a room where the temperature is 23C to the outdoors, where the…

A: According to the given information, A thermometer is taken from a room where temperature is 23C to…

Q: Two numbers when multiplied equals 36. If one number is x and the other number is greater than x by…

A: Given informationOne number is x and other number is greater than x by 5

Q: Customers of a phone company can choose between service plans for long distance calls. The first…

A:

Q: A roast turkey is taken from an oven when its temperature has reached 190 degrees Fahrenheit and is…

A: This is a problem with Newton's law of cooling.

Q: Emma is considering renting a luxury car or an SUV for several days. A luxury car costs $130 for the…

A:

Q: How many gallons of an 80% acid solution must be mixed with 60 gallons of a 14% solution to obtain a…

A:

Q: To get a B in​ math, Alex must average at least 80 on her five tests. Scores on the first four tests…

A:

Q: for question 3, I understand how we get 2 pie / 3 but how did you get 4 pie/3?

A: Apologies for the inconvenience. #1 was solved using tanθ=1 earlier.    Here is the correct solution…

Q: To get an A in a course, you need an average of 90% or better on four tests that are worth 100…

A: Given:

Q: Albert is heavier than Bob by a certain amount.  Carl is heavier than Dave by the same amount plus…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.