Tina and Renee are teachers who decided to grade their exams together. They had 200 exams to grade. Tina can grade 20 exams per hour and Renee can grade 15 exams per hour. If they work together, how long will it take for them to finish grading the exams? Rate Time Tina Renee Total for both working together Part B The following week they gave another exam. Tina knows she can grade 60 exams in 2 hours and Renee can grade 60 exams in 1.5 hours. How long will it take for them to grade all 60 exams working together? Tina Renee Total for both working together Rate Papers Done Time Papers Done

Tina and Renee are teachers who decided to grade their exams together. They had 200 exams to grade. Tina can grade 20 exams per hour and Renee can grade 15 exams per hour. If they work together, how long will it take for them to finish grading the exams? Rate Time Tina Renee Total for both working together Part B The following week they gave another exam. Tina knows she can grade 60 exams in 2 hours and Renee can grade 60 exams in 1.5 hours. How long will it take for them to grade all 60 exams working together? Tina Renee Total for both working together Rate Papers Done Time Papers Done

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

Part A
Tina and Renee are teachers who decided to grade their exams together. They had 200 exams
to grade. Tina can grade 20 exams per hour and Renee can grade 15 exams per hour. If they
work together, how long will it take for them to finish grading the exams?
Rate
Time
Tina
Renee
Total for both
working together
Part B
The following week they gave another exam. Tina knows she can grade 60 exams in 2 hours and
Renee can grade 60 exams in 1.5 hours. How long will it take for them to grade all 60 exams
working together?
Tina
Renee
Total for both
working together
Rate
Papers Done
Time
Papers Done

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