SOLUTION: A father and son are working together to paint a picket fence. The father can paint a board in 0.04 hours, while the son takes 0.05 hours for each board. What is the combined rat

Question 195787: A father and son are working together to paint a picket fence. The father can paint a board in 0.04 hours, while the son takes 0.05 hours for each board. What is the combined rate in boards/hours for the father and son team to paint the fence?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A father and son are working together to paint a picket fence. The father can paint a board in 0.04 hours, while the son takes 0.05 hours for each board. What is the combined rate in boards/hours for the father and son team to paint the fence?
:
Find the rate; boards per hour for each:
= 25
= 20
-----------------
total: 45 boards per hr
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