a boy is older than his sister by 3 years five years ago, the ratio of their ages was 4 : 3 find his present.
2 answers:
B:S = 4x:3x
4x - 3x = 3
x = 3
They were 12 & 9.
Add 5 to that.
So he’s now 17 and she’s 14
Answer:
five years ago -- boy- x+3 years
sister --- x
ratio-- 4:3 so difference is 3 years
4-3-- 1 1--3
five years ago --- sister :3*3--9 brother : 4*3--12
present : sister 14 years and brother 17 years old
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