Question

In a music school 70% students are boys if the total girls are 255 then find out the number of the boys

Answer 1

Answer:

No of boys = 595

Step-by-step explanation:

Explanation in attachment.

Answer 2

Step-by-step explanation:

number of girls = 255

given boys = 70%

therefore girls = 30%

let assume that the total number of students = X

30% of X= 255

30/100 × X= 255

3/10 × X = 255

X= 2550/3

X= 850

therefore number of boys = 850-255 = 595

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