m2axymcclekirke m2axymcclekirke

25-12-2016
Mathematics

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There are 820 at a stadium. 65% of them are adults, 20% of them are boys how many girls are in the staduim

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nikodan365 nikodan365

26-12-2016

65% being adults and 20% being boys means 85% is already accounted for leaving 15% as girls.
15% of 820
(15/100)*820 = 123

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