Together 3

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together?

Correct answer:

t =  2.4 h

Step-by-step explanation:

h1=1/4=41=0.25 h2=1/6=610.1667  t=h1+h21=41+611=512 h=2.4 h



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