Question

A baker has a bag (x) of flower that is 24% whole wheat and a bag (y) of flour that is 63% whole wheat. How many cups of the 24% does the baker need to make 12 cups of a flour mixture that is 50% whole wheat?
A) 13.5 cups of the 24% flour
B) 16.2 cups of the 24% flour
C) 4 cups of the 24% flour
D) 8 cups of the 24% flour