GMAT 考满分题库

- 数学PS -

In a certain school 3/4 of boys and 2/5 of girls wear overcoats in winter. If the ratio of boys to girls in the school is 4:1, then what percentage of total students wear overcoats in winter?

  • A

    50%

  • B

    58%

  • C

    68%

  • D

    70%

  • E

    72%

显示答案
正确答案: C

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