Linear Equations in One Variable

SAT Math· difficulty 4/5

The ratio of boys to girls in a club is 3:53:5. If there are 2424 more girls than boys, how many total members are there?

  • A

    120

  • B

    72

  • C

    96

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  • D

    48

Explanation

Let boys =3k= 3k, girls =5k= 5k. 5k3k=245k - 3k = 24, so k=12k = 12. Total =8k=96= 8k = 96.

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