SOLUTION: A father and son are digging a garden that is 7 feet long and 5 feet wide. The father, working alone, can dig the garden in 3 hours. The son can do the job in 4 hours. If they both

Question 288771: A father and son are digging a garden that is 7 feet long and 5 feet wide. The father, working alone, can dig the garden in 3 hours. The son can do the job in 4 hours. If they both work together, how long would the two need to complete the task? (Round your answer to the nearest tenth.)
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
There is more info than needed. We don't need the measurements of the garden.
x/3+x/4=1
4x+3x=12
7x=12
x=12/7
They can complete the job in 12/7 hours
12/7 = 1 5/7=1hour and 43 minutes= 1.7 hours

Dad will do 4/7 and son will do 3/7 of the job

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