Question

If it takes John 10 hours to paint the fence, How long will it take John and his 2 friends to do the job if they work at the same rate ?
A)1 1\3 hours
B)1 2\3 hours
C)2 2\3 hours
D)3 1 \3 hours

Answer 1

10/3=3 1/3


Theres your answer, D

Answer 2

Question: If it takes jon 10 hours to paint the fence, how long will it take John and his 2 friends to do the job if they work at the same rate ?
A)1 1/3
B)1 2/3
C)2 2/3
D)3 1/3
Answer: If it takes john 10 hours alone then it him and his friends 3 /13 (answer D) 3+3+3=9 1/3+1/3+1/3=3/3(1) 9+1=10hours


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