If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in__________?

A. 1.8 days
B. 1.5 days
C. 1.2 days
D. 1 day

Time is
directly proportional to number of sofas
inversely proportional to number of people No. of days
= (6/8)*(8/10)*2
= 1.2 days