选择题
2001 AMC 8 Problem 15: Peeling Potatoes Together
Homer began peeling a pile of 44 potatoes at the rate of 3 potatoes per minute. Four minutes later Christen joined him and peeled at the rate of 5 potatoes per minute. When they finished, how many potatoes had Christen peeled?
A.
20
B.
24
C.
32
D.
33
E.
40