the boys and girls in a school are in the ratio 9 is to five. If the number of girls is 320 then the total strength of the school is
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Ratio of girls is 5x
Total no of girls = 320
5x=320
X= 64
Ratio of boys = 9x
9×64= 576
Total number of students in school
is equals to sum of boys and girls
320+576= 896
sivaraman16:
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Answered by
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In school, boys : girls = 9 : 5
Total value = 9 + 5 = 14
Boys fraction = 9/14
Girls fraction = 5/14
Let, total strength of school = x
Given that,
number of girls = 320
==> x * 5/14 = 320
==> x = 320 * 14/5
==> x = 896
Hence, the strength of school = 896
Total value = 9 + 5 = 14
Boys fraction = 9/14
Girls fraction = 5/14
Let, total strength of school = x
Given that,
number of girls = 320
==> x * 5/14 = 320
==> x = 320 * 14/5
==> x = 896
Hence, the strength of school = 896
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