Jack has b blueberries. He uses 30 percent of the blueberries to make muffins , each of which requires m blueberries. He uses the rest of the rest of the blueberries to make pies, each pie of which retires p blueberries. which of the following describes the number of blueberry pies Jack can make ?
A
3b/10m
B
3b/10p
C
7b/10m
D
7b/10p
Correct Answer: 7b/10p