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2 April, 00:09

A problem states: "there are 7 more girls than boys in a club. There are 23 members in the club in all. How many girls are there in the club?

Let g represent the number of girls.

Which expression represents the number of boys?

A: g+7

B:g•7

C: 7-g

D:g-7

+4
Answers (1)
  1. 2 April, 00:32
    0
    Let

    g = number of girls in the club

    b = number of boys in the club.

    There are 7 more girls than boys in the club, therefore

    g = b + 7

    Subtract 7 from each side.

    g - 7 = b + 7 - 7

    g - 7 = b

    That is,

    b = g - 7

    Answer: D. g - 7
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