7years ago the ages of two men were in the ratio of 2:3 were as it is 3:4 now. find the present age
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Answered by
4
Step-by-step explanation:
{2x + 7}/ { 3x + 7 } = 3/4
8x + 28 = 9x + 21
x = 7
present age = 2x + 7
= 14+7 = 21yrs
= 3x + 7
= 21+7 = 28yrs
Answered by
0
let their present ages be =x
2x=3x 7 years ago
so there present ages
are 3(2x-7)=4(3x-7)
6x-21=12x-28
12x-6x=-21+28
6x=7
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