Math, asked by AmoghKhan3028, 3 months ago

7 year older than his sister and the sum of their ages is 21 years find their ages

Answers

Answered by Anonymous

9

Answer:

hope this answer will help you

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Answered by smanushi09

3

Answer:

Let age of sister be x

Then his age will be 7+ x

Given that sum of their ages is 21

Therefore- x +7+x=21

2x+7=21

2x=14

x=7

Sister's age is 7

His age= 7+7=14 years

I hope it helped u...PLzz mark brainliest !

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