18. Rahul's father is 6 times as old as Rahul. Rahul's mother is 25 years old. The average age of this family of three is 20 years. How old is Rahul? *
1 point
15 years
10 years
7 years
5 years
Answers
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Answer:
5 year
Step-by-step explanation:
let rahul age x
rahul father age=6x
rahul mother's age=25
average of family =20
(x+6x+25)/3=20
7x+25=20x3
7x+25=60
7x=60-25
7x=35
x=35/7
x=5
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Answer:i know the answer i am solving the question on paper ,will edit the answer once i am done
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