The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages(in years).
Created: 6 years ago |
Updated: 3 years ago
best des
Hints: Let the present ages be 4x, 7x, and 9x years respectively,
Then, (4x - 8) + (7x - 8) + (9x - 8) = 56
20x = 80
x = 80/20
x = 4
Therefore the present ages are 4x = 16 year's
7x = 28 years
9x = 36 years
অতএব, present ages 16, 28, 36 years
Md Azizur Rahman
Founder of Satt
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