Question

A farmer can plow a given field in 10 hours. If his son helps him, they can plow the field together in 6 hours. How many hours would it take his son to plow the field

alone? Express your answer as a fraction reduced to lowest terms, if needed.

Answer 1

4 2/3hrs not fraction 3hrs

Explanation:

10hrs=1person

x=2people

cross multiple

(a) 10×2÷1=20

step 2 6hrs when together

you ÷ by 2=3hrs

son works for 3hrs

step 3 ) 20-6=14

14/3 ÷ and get 4 2/3