a. 550 days
b.360 days
c. 300 days
d. 20 days
men build a house in 10 days. How much time will it take 8 men to do this work?
men build a house in 10 days. How much time will it take 8 men to do this work?
a. 550 days
b.360 days
c. 300 days
d. 20 days