12-02-2016
Mathematics

contestada

A paper published in a medical journal reported that about 11/25 of girls ages 16-17 do not exercise at all. The entire study consisted of about 2, 500 girls. About how many did not exercise?

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12-02-2016

1,400 girls from 16 to 17 do not exercise Step one 2,500÷25 =100 Step two 100×11 =1,100 Step three 2,500−1,100 =1,400

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