a father's age in 3 time's the sum of the age's of his 2 children. after 5 year his age will be 2 times of their age's. find the present age of the father.
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Answered by
2
Answer:
father's present age=45yrs
Step-by-step explanation:
let age of child 1 be a
and age of child 2 be b
∴fathers present age is 3(a+b)
now,
father's age after 5 years=3(a+b)+5
age of child 1 after 5 years = a+5
age of child 2after 5 years=b+5
A/Q
3(a+b)+5=2(a+5+b+5)
3a+3b+5=2a+2b+20
a+b=15
∴father's preseny age=3(a+b)
3×15=45 years
hope it helps
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Answered by
0
sum of children's (x+x=2x)
2x × 2=y_-(1)
after 5 years
2(2x+5)=y+5_-(2)
from 1 & 2
x=5/2 and father present age will be 15 years
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