Question

in a school, the ratio of boys of girl is 5:3. if there are 115 boys, find the number of girls?​

Answer 1

Answer:

Total girls 69.

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Step-by-step explanation:

Ratio of Boys to girls- 5:3

if 5 parts =115

so 1 part =115÷5

=23

if 1 part 23 so 3 parts= 23x3

=69

so total number of girls=69

question is very easy

Answer 2

Answer:

No. of girls is 69.

Step-by-step explanation:

Let the number of girls be x.

So, 115 : x = 5 : 3

Or

115 : x :: 5 : 3

We know that, product of extremes = product of means.

=> 115 × 3 = 5 × x

=> 345 = 5x

=> x = 69

Answer = The number of girls = 69.

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