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30-12-2016
Mathematics

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Heladio has 52 marbles . divide them into two groups so that for every 6 marbles in the first group there are 7 marbles in the second group.

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apologiabiology apologiabiology

30-12-2016

ratio is 6:7
6+7=13
52=13 units
divide both sides by 13
4=1unit
6 units in first group 7 units in 2nd
6*4=24
7*4=28

there are 24 marbles in 1st group, 28 marbles in 2nd group

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