AMC 8 2019 Problem 8

AMC8 2019 年第 8 题

百分比★★☆☆☆

Gilda has a bag of marbles. She gives 20% of them to her friend Pedro. Then Gilda gives 10% of what is left to another friend, Ebony. Finally, Gilda gives 25% of what is now left in the bag to her brother Jimmy. What percentage of her original bag of marbles does Gilda have left for herself?

有一包玻璃球，她把其中 20％给了她的朋友 Pedro，接着她把剩下的 10％给了另一个朋友 Ebony，最后 Gilda 把包里当前剩下的 25％给了她弟弟 Jimmy。问 Gilda 给她自己留了原来玻璃球总数的百分之多少？

A.20
B. $\displaystyle 33\frac{1}{3}$
C.38
D.45
E.54

正确答案 · Correct Answer

E

解析 · Solution

解析整理中

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