Question 305903
1) Find the hourly rate of each painter.
If Sally can paint the house in 4 hours, then she can paint {{{1/4}}} of the house in 1 hour.
If John can paint the house in 6 hours, then he can paint {{{1/6}}} of the house in 1 hour.
2) Find the hourly rate when working together.
Together, they can paint {{{1/4+1/6 = 10/24}}} of the house in 1 hour.
3) Find the time to paint the entire house together.
They can paint the whole house in {{{24/10 = 2.4}}}hours or 2 hours and 24 minutes.