Shalu is 3 years older than Shalini.Ten years ago , shalu was twice as old as Shalini . Calculate their present ages.
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let shalini=x
shalu=x+3
ten years ago =
x+3-10 =2(x-10)
x-7=2x-20
2x-x =-7+20
x=13
shalini =13 years
shalu = x+3
=13+3 =16 years is answer
shalu=x+3
ten years ago =
x+3-10 =2(x-10)
x-7=2x-20
2x-x =-7+20
x=13
shalini =13 years
shalu = x+3
=13+3 =16 years is answer
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