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A is twice old as B.Five years ago,A was 3 times as old as B.Find their present ages.
Answers
Answered by
1
Step-by-step explanation:
Let the present age of B be x
then age of A =2*x
5 years ago age of B was =x-5
ATQ age of A before 5 years3(x-5)
so 2x-5=3x-15
=2x-3x=-15+5
=-x=-10
=x=10
so present age of B=10 years
and present age of A=2*10=20 years
Answered by
3
Step-by-step explanation:
let age of A be x and age of B be y
By first condition:
x=2y
five years ago there age was x-5 and y-5
by second condition:
x-5=3(y-5)
x-5=3y-15
x-3y=-15+5=-10
but x=2y
therefore , 2y-3y=-10
-y = -10
y=10
x=2(10)=20
there present ages are 20 and 10 respectively
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