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In a class, there are 70 students. If th...

In a class, there are 70 students. If the ratio boys to girls is 5:2, then find the number of girls in the class.

Text Solution

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The correct Answer is:
28
Total student in the class = 70
Let x be the number of grils in the class.
` 70 : x=5:2`
` 70/x = 5/2 Rightarrow 70 xx 2/5 = x `
x= 28
Number of grils in the class = 28
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