Self Test A Father Can Repaint House In 5 Hours And Son Can Do The Same Work…

Self Test
A father can repaint house in 5 hours and son can do the same work in 8 hours. How long will it take both of them repainting the house together?​

Answer:

3 hours not sure

See also  5. Mr. Singson Had 2 1/4 Gallons Of Paint. He Used 1/2 Of It To Paint Their Fence. What...