4. Mrs. Yuri's classroom has 21 students. She took all of her students to a fieldtrip at the skate station and brought four chaperones. The students, chaperones, and Mrs. Yuri rented either regular skates for $4.25 or inline skates for $7.50 per day. Mrs. Yuri paid a total of $143.00 for skate rentals. Part A: Write a system of equations to represent the number of people who went on the trip and the amount of money the teacher spent. Part B: How many people rented a pair of regular skates? Part C: How many people rented a pair of inline skates?

4. Mrs. Yuri's classroom has 21 students. She took all of her students to a fieldtrip at the skate station and brought four chaperones. The students, chaperones, and Mrs. Yuri rented either regular skates for $4.25 or inline skates for $7.50 per day. Mrs. Yuri paid a total of $143.00 for skate rentals. Part A: Write a system of equations to represent the number of people who went on the trip and the amount of money the teacher spent. Part B: How many people rented a pair of regular skates? Part C: How many people rented a pair of inline skates?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter5: Systems Of Linear Equations

Section5.2: Solve Systems Of Equations By Substitution

Problem 122E: When Gloria spent 15 minutes on the elliptical trainer and then did circuit training for 30 minutes,...

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