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14-08-2016
Mathematics

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the ratio of boys to girls in a sophomore class of 460 students is 11:12. find the number of boys.

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texaschic101 texaschic101

14-08-2016

11 : 12.....11 + 12 = 23

boys : 11/23 * 460 = 5060/23 = 220 <===
girls : 12/23 * 460 = 5520/23 = 240

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