Jan takes 3 hours to paint 2 desk sets. At this rate, how long will it take her to paint 5 desk sets

Answer 1

It takes 3 hours to paint 2 desk sets. That's 2/3 desk per hour

3/2 = X/5 solve for X

2X =15

X = 7 1/2 hours to paint 5 desk sets

7.5 x 2/3 = 15/2 x 2/3 = 15/3 = 5 desks