Running at their respective constant rates, Machine X takes 2 days longer to produce w widgets than Machine Y. At these rates, if the two machines together produce 5/4w widgets in 3 days, how many days would it take Machine X alone to produce 2w widgets?
a) 4
b) 6
c) 8
d) 10
e) 12
answer e
a) 4
b) 6
c) 8
d) 10
e) 12
answer e
