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15 April, 04:36

adult for every 6 children. One class has 24 children; one has 26 children; and the third has 28 children. Each class has 1 teacher. How many OTHER adults are needed for the trip?

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  1. 15 April, 04:38
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    10 adults

    Step-by-step explanation:

    1 adult per 6 children

    there already 1 adult per class so 6 children from each class are covered

    24 - 6 = 18

    26 - 6 = 20

    28 - 6 = 22

    18 + 20 + 22 = 60

    60 : 6 = 10

    so 10 more adults are needed
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