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9 December, 10:46

At a restaurant the ratio of kids meal, how manys sold to adult meals sold was 9:2. if there were 81 kids meals sold, how many adult meals sold?

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  1. 9 December, 11:11
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    9/2 = 81/a ... 9 kids meals to 2 adult meals = 81 kids meals to a adult meals

    cross multiply

    9a = 2 (81)

    9a = 162

    a = 162/9

    a = 18 ... so there were 18 adult meals

    ratio is : 81/18
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