3 years ago

A is 5 years older than T. In 3 years, T will be 2/3 A age. How old is A?

Mathematics

1 answer:

Ivanshal [37]3 years ago

6 0

Answer:

12 years

Step-by-step explanation:

T + 5 = A

Therefore T =A - 5

In three years T = 3+ (A-5)

thus T = A - 2

Also in three years T = 2/3 (A+3)

Equating the two

A -2 = 2/3 (A+3)

3A - 6 = 2A + 6

3A - 2A = 6 + 6

Therefore A = 12

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