Question

In a class of 40, 25 are boys, express the percentage of girls in the class

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

37.5 %

Step-by-step explanation:

total students = 40

no. of boys = 25

no. of girls = 40 - 25 = 15

percentage of girls = x % of 40 = 15  

                                   x / 100 * 40 = 15

                                   x / 5 * 2 = 15

                                   x = 15 * 5 / 2        

                                   x = 75 / 2

                                   x = 37.5

Percentage of girls = 37.5 %