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15-04-2017
Mathematics

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Between them, John and Mark have 32 marbles. John has 3 times as many as Mark. How many marbles does each boy have?

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Аноним Аноним

15-04-2017

32 = m + j
j = 3m

32 = m + 3m = 4m
m = 8
j = 24

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