Question

Sally can paint a room in 6 hours while it takes Steve 8 hours to paint the same room. how long would it take them to paint the room if they work together

Answer 1

It will take them 3.5 hours to paint the room.

Explanation:

Step 1: Add the number of hours it takes them together

A. 6 + 8

Step 2: Divide the total number of hours by two (since two people are working together)

B. 12 / 2 = 7 hours

Step 3: Divide by two again since you now have twice the speed

C. 7 / 2 = 3.5 hours