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11-09-2018
Mathematics

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The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. How many boys are there ?

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Аноним Аноним

11-09-2018

The ratio of boys to girls is 5 : 6

total number of girls = 312

Let total number of boys= x

so, 5 / 6 = x / 312

x = ( 312 * 5 ) / 6

x = 260 boys Ans

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