Question

If m men can paint a house in d days, how many days will it take m+2 men to paint the same house?
A. d+2
B. d-2
C. (m+2)/md
D. md/(m+2)
E. (md+2d)/m

Answer 1

\[\frac{ m }{ d } = \frac{ m+2 }{ x }\]\[mx = (m+2)d\]\[x = \frac{ md + 2d }{ m }\]

Answer 2

E.