lollypop171 lollypop171

25-04-2018
Mathematics

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There are 72 girls playing in the playground 3/7 of the children in the playground are boys how many children are playing in the playground altogether show your working out.

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Аноним Аноним

25-04-2018

fraction of girls = 1 - 3/7 = 4/7

4/7 is equivalent to 72 girls
1/7 .. .. ............. 72 / 4 = 18
Total number of children = 7/7 = 18*7 = 126 Answer

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