Question

7. If 10 men can build a house in 90 days, how

many men can build a home in 20 days?
A) 18
B) 36
C) 45
D) 180

Answer 1

2.222.........

Explanation:

10 : 90

x : 20

cross multiply

10 x 20 = 90x

200 = 90x

both divide by 90

x = 2.2222.......

Answer 2

It would take 45 men to build a home