The ages of suman and neelam are in the ratio 3:4. 4 years ago, their ages were in the ratio 5:7. Find their ages
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Answer:
let the age of suman = 3x
let the age of neelam = 4x
four years ago
the age of suman = 3x-4
the age of neelam = 4x-4
ATC
3x-4/4x-4=5/7
7(3x-4)=5(4x-4)
21x-28=20x-20
21x-20x=-20+28
x = 8
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