A silver coin is 28 years older than a bronze coin. In 6 years, the silver coinwill be twice as old as the bronze coin. Find the present age of each coin.

Q: A $22,000 car depreciates by $2,750 each year. What is the car worth after 5 years?

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Q: Maylene is twenty years older than her daughter Hazel. In ten years time,she will be twice as old as…

A: Please see the below picture for detailed solution.

Q: Jawana and Tyreek are siblings. The sum of their ages is 40. Tyreek is 8 years older than twice his…

A:

Q: Five years ago, Marcus was three times as old as Theresa. In two years, Marcus will be twice as old…

A: To find the present age of Theresa.

Q: Stephen is 60 years younger than Taylor. 5 years ago, Taylor's age was 4 times Stephen's age. How…

A: Let Stephen age be x.          Taylor age = x+ 60

Q: In 450 years, a sculpture will be twice as old as it was 250 years ago. What is the present age of…

A:

Q: You start with $4 in your investment. Your money doubles every 6 years. How much money will your…

A: It is given that  $4 is the initial investment and the money doubles within 6 years. That is,…

Q: Devante is 56 years younger than Guadalupe. 8 years ago, Guadalupe's age was 3 times Devante's age.…

A: Substitution of expression in equation Simple calculation

Q: Eight years ago, Zian was 4 times as old as Xander. How old is Xander now if his age is one-half of…

A: Assume that Xander was x years old 4 years ago. So Zian was 4x years old.

Q: of a small town is 6237 people. It is believed that town's popula population of the town 8 years…

A: Given that The current population of a small town=6237 people.  The towns population is trippling…

Q: Ian is 2 years older than Carissa. In 7 years the sum of their ages will be 58. How old is Ian now?

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Q: San is 108 year old. Jon is 24 years old. How many years will it take for San to be exactly 4 times…

A: Let x years be needed for San to be exactly 4 times as old as Jon.

Q: Multiply and simplify. Write your answer using radical notation. 3 6, 9ab° V3a°b

A: We need to compute the multiplication of  9ab34 and 3a6b. Which can be Re-Written as 9ab34 3a6b  =…

Q: Mary is three times as old as her son. In 12 years, Mary's age will  be one year less than twice her…

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Q: Oliver walks 1350 feet every 4 days. How many miles does he walk in 30 days?

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Q: Gregory was p years of age 4 years ago. In terms of p, How old will he be in 4 years from now?

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Q: One -half of Heather's age two years from now plus one-third of her age three years ago is twenty…

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Q: In 66 days, a boy saved $1.98. What was his average daily savings?

A: The objective of this question is to find out the average daily savings of the boy.

Q: Kim is 10 years older than Laura. Laura is twice as old as Melissa. If Melissa will be 10 years old…

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Q: A bacteria culture initially contains 3000 bacteria and doubles every half hour. Find the size of…

A: Here the bacteria culture initially contains 3000 bacteria and doubles every half hour.We have to…

Q: Grandpa is twelve times Lisa’s age. Marge half of grandpa’s age. The total of their ages adds to 114…

A: NOTE: Refresh your page if you can't see any equations. . x=age of the Lisa y=age of the Grandpa…

Q: Trina is 1.5 times as old as Holly. Four years from now, the sum of their ages will be 38. Determine…

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Q: How old is Jaylen now

A: Jaylen is 15 years old younger than shantel. And 9 years ago Shantel's age was 2 times Jaylen's age.…

Q: Travis is 2 years older than Diana. In 4 years the sum of their ages will be 52. How old is Travis…

A: Let age of diana is X and age of Travis is Y  Then for current time  Y=X+2  -(1) And after four year…

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.