Q.9) Rahul's mother's age is 5 less than 4 times his age. What is his age if his mother is 39 years old? *
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4x-5=39

4x= 39+5

x=44/4

x=11 yrs

his age will be 11 year

Explanation:

let rahul's age be x

then his mother's age=4x-5

4x-5=39

4x=39+5

4x=44

x=44/4

x=11

explanation:

previous steps have made pa≅ pb ≅ st ≅ su. setting the compass width to ab allows you to make tu the same length. then δstu ≅ δpab by the sss congruence postulate, and ∠p ≅ ∠s by the reason cpctc.