Math, asked by joeltjenny8074, 1 year ago

The ages of sonu and monu are in the ratio 7:5 .10 years after the ratio of their ages will be 9:7.find their present age

Answers

Answered by jafriadnan022pfz46y
3
Let the present age is X
7x+10+5x+10=9x+7x
7x+5x+10+10=9x+7x
12x+20=16x
12x-16x=-20
-4x=-20
4x=20
X=20/4
X=5
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