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20 December, 09:18

At George Washington High School the ratio of graduating seniors that go on to college, as compared to those who do not, is 7 : 4. Last year 28 students went on to college. How large was the graduating class?

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  1. 20 December, 09:40
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    First you figure out that the ratio 7:4 is 1.75

    Then you do this problem 28 divided by 1.75=16

    And 28:16 is the same as 7:4

    Now all you do is add 28+16=44
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