6) Working together, Huong and Ming can
pick forty bushels of apples in 6.35 hours.
Had she done it alone it would have taken
Ming 11 hours. How long would it take
Huong to do it alone?
A) 11.31 hours B) 18.79 hours
C) 14.26 hours D) 17.77 hours
E) 15.02 hours