An auditorium has 50 rows of seats. The first row has 20 seats, the second row has 21 seats, the third row has 22 seats, and so on, each row having one more seat than the previous row. How many seats are there altogether? Generalize your expression to reflect ? rows of seats with the first row containing ? seats.

Field trip all the 5th graders at Lincoln elementary school will go on a field trip to the science museum. Counting all the children, teachers, and chaperones, that will be 147 people. Each bus holds 44 people.   How many buses will be needed?

Tickets to a ball game cost t dollars each, a hot dog cost h dollars, and a soda costs s dollars. Which expression represents the total cost for p people if each person buys 1 ticket, 1 hot dog and 1 soda?

Let n represent the number and translate each phrase or sentence. questions : Four more than a number.

Jennifer runs a cafe in Boston. Her wait staff's names are Maggie, Sharon, James, and Trina. Server's sections are numbered consecutively- 1, 2, 3, 4 and each server works a different section. Each server is wearing a different color shirt- Purple, Yellow, Green, or Blue. Match each server to their section and shirt color using clues below. You must use subscripts to identify the clues that got your answer. 1. The person in section 4 is not wearing a purple shirt. 2. Maggie is in section 2 and is not wearing a yellow shirt 3. Sharon is wearing a blue shirt but is not working in section 3 or 4 4. James isn't wearing a purple shirt or a green shirt and is working in a section next to Maggie.

YOU! In Marissa's calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had a 100% 3 average for attendance, 93% for quizzes, 82% for exams, and 85% on the final. Determine Marissa's course average. Marissa's course average is%. (Type an integer or a decimal. Do not round.)

Ace Hardware sells boxes of wrenches ($150) and hammers ($250). Howard ordered a total of 40 boxes of wrenches and hammers for $8400. How many boxes of wrenches and hammers?   Separate your answers with a comma.  Example:   38 wrenches, 2 hammers

Linda owns a small online business selling cell phone protectors. It costs Linda $15 to produce a single protector and ship it to a customer, so if Linda sells her protectors for p dollars each, she makes a profit of p – 15 dollars for each protector she sells. Last month, Linda's company made a total profit of – 600p + 19200p – 153000 dollars. Write an expression representing the number of protectors sold last month. (Hint: Total profit = (profit per item sold) x (total items sold))

An artist is selling children's crafts. Necklaces cost $2.25 each, and bracelets cost $1.50 per each.Select ALL the combinations of necklaces and bracelets that the artist could sell for exactly $12.00. * 5 necklaces and 1 bracelet 2 necklaces and 5 bracelets 3 necklaces and 3 bracelet 4 necklaces and 2 bracelets 3 necklaces and 5 bracelets 6 necklaces and no bracelets No necklaces and 8 bracelets This is a required question

A purse contain 63 currency note,all of which are either #500 or #1,000 notes.the total value of the currency notes is #38,500.how many#500 notes are in the purse