Question

If 3 workers can assemble 2 bookcases in 45 minutes, how long would it

take 5 workers to assemble the bookcases?

Answer 1

27

Explanation:

r=rate of 1 worker

t=time

3 x r x 45 = 5 x r x t

t= 3 x 45 / 5

t= 3 x 9

t= 27