Raymond B. answered • 04/02/21
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Math, microeconomics or criminal justice
45 girls of a total 66
45+21 = 66
7/15 = 21/45 , the ratio stays the same
7(3)/15(3) = 21/45
Grace R.
asked • 04/02/21There were 21 boys at the birthday party. If the ratio of boys to total partygoers was 7:15, how many girls were there?
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