Jony is 20 years older than Rony. In 10 years, Rony's age will be half that of Jony's. What is Rony's age?
Created: 6 years ago |
Updated: 3 years ago
best des
Let,
Rony age = R, Jony age = J
এখানে বর্তমানে,
R = J - 20
বা, J = R + 20
10 বছর পর,
R + 10 = (J + 10)/2
বা, 2R + 20 = J + 10
বা, 2R + 20 = R + 20 + 10
so, R = 10
Md Azizur Rahman
Founder of Satt
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