问题求解PS-JWLT
出处: Knewton

The number of students enrolled at school X this year is 7 percent more than it was last year. The number of students enrolled at school Y this year is 3 percent more than it was last year. If school X grew by 40 more students than school Y did, and if there were 4000 total enrolled students last year at both schools, how many students were enrolled at school Y last year?
  • A480

  • B1600

  • C1920

  • D2080

  • E2400

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正确答案:E
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