涛涛第四套的第一题

Of the fruit that arrives at a cannery, 20 percent by weight is rejected before processing.  Of the fruit that is processed, 15 percent by weight is rejected before canning.  Of the fruit that arrives at the cannery, what percent by weight is canned?

A.      32%

B.       35%

C.       65%

D.      68%

E.       70%

答案是D

怎么算的？

(1-20%)x(1-15%)

靠，又是计算错误。