Math, asked by hassamimran55, 9 months ago

There are 23 boys and 35 girls in the school
hall. After x boys and x + 4 girls left the hall,
the probability of selecting a boy becomes
2/5
Find the value of x.

Answers

Answered by Anonymous

1

Answer:

2/5=(23-x)/(58-2x-4)

2/5=(23-x)/(54-2x)

2(54-2x)=5(23-x)

108-4x=115-5x

5x-4x=115-108

x=7

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