Question 3
The present age of Manju is four times the present age of her sister Mala.
After 10 years twice Manju's age will be four times Mala's age. Find their
present ages.
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Answered by
6
Answer:
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Answered by
3
Answer:
5 and 20
Step-by-step explanation:
Let mala's present age be x
Therefore manjus age will be 4x.
After 10 years --x+10 and 4x+10
Twice manjus age--2(4x+10)
Four times mala's age---4(x+10)
so the equation is:-
2(4x+10)=4(x+10)
8x+20=4x+40
8x-4x=40-20
4x=20
x=20/4
x=5
mala's age =5
manjus age=4x=4*5=20
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