Question

the the present ages of a and b are in the ratio 5 ratio 3 years ago their ages were in the ratio 45 find their present ages
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Answer 1

three years ago the age of 4x,5x

now the present age will be

the present age of =4x+3

the present age of b=5x+3

=4x+3÷5x+3=

5÷6 5(5x+3)=6(4x+3)

25x+15=24x+18

25x-24x=18-15

x=3

their present age will be

5x=5×3=15yr✔

6x=6×3=18yr✔

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