If 5 men can build a house in 26 days, in how many days will 10 men build it?

A. 52 days
B. 13 days
C. 50 days
D. 10 days

4 answers

I'll be glad to check your answer.
man-days needed = 5(26) = 130
So 10 men should be able to it in .....
13?
130 / 10