The ratio of the a and b is 9:4three years ago the ratio of their ages was 3:1 find the present ages
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Answer:
18& 8 years
Step-by-step explanation:
present ages= let 9x and 4x.
three years ago ages would be 9x-3 and 4x-3.
9x-3/4x-3=3/1
9x-3 = (4x-3)*3
9x-3 = 12x-9
x=2.
then present ages would be 18 and 8 years
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