Math, asked by ayushbutt8280, 1 year ago

The average age of x boys and y girls is p years.If the average age of the boys is r years find the average age of girls

Answers

Answered by Haridasan

0

A. V. ofBoys & girls=P

Total of bags & girls=P(x +y)

Av, of boys=r

total age of boys=rx

So, total of y girls=P (x+y) -rx

AV of girls=P (x+y)-rx/y

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