Work-rate Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/work-rate/quiz/

1. 1

   Sam can mow a lawn in 6 hours. Leo can mow it in 30 hours. How many hours will it take them to mow it together?
   1. A) x = 1
   2. B) x = 30
   3. C) x = 36
   4. D) x = 5

2. 2

   Mia can clean a house in 4 hours. Zoe can clean it in 12 hours. How many hours will it take them to clean it together?

   Answer: ____________________

3. 3

   Eva can weed a garden in 5 hours. Tom can weed it in 20 hours. How many hours will it take them to weed it together?
   1. A) x = 1
   2. B) x = 4
   3. C) x = 20
   4. D) x = 25

4. 4

   Omar can wash a car in 20 minutes. Ali can wash it in 30 minutes. How many minutes will it take them to wash it together?

   Answer: ____________________

5. 5

   Leo can build a wall in 12 hours. Max can build it in 6 hours. How many hours will it take them to build it together?
   1. A) x = 12
   2. B) x = 18
   3. C) x = 1
   4. D) x = 4

6. 6

   Nadia can paint a room in 2 hours. Sara can paint it in 2 hours too. How many hours will it take them to paint it together?

   Answer: ____________________

7. 7

   Jo can sort the mail in 40 minutes. Kim can sort it in 120 minutes. How many minutes will it take them to sort it together?
   1. A) x = 160
   2. B) x = 1
   3. C) x = 30
   4. D) x = 120

8. 8

   Ana can paint a fence in 4 hours. Ben can paint it in 6 hours. How many hours will it take them to paint it together?

   Answer: ____________________

9. 9

   One pipe can fill a tank in 6 hours. Another pipe can fill it in 9 hours. How many hours will it take both pipes together?
   1. A) x = 1
   2. B) x = 18
   3. C) x = 185
   4. D) x = 15

10. 10

    Dan can mow a field in 10 hours. Raj can mow it in 15 hours. How many hours will it take them to mow it together?

    Answer: ____________________