Answer:
Aboagye is 15 years old. Kusi is 20 years old.
Step-by-step explanation:
Expressing in algebraic language we define that the sum of the ages of Kusi (K) and Aboagye (A) is 35:
K + A = 35
Next, we define that Kusi is 5 years older than Aboagye:
K = 5 + A
We substitute in the first equation
(5 + A) + A = 35
and solve the linear equation
5 + 2A = 35
2A = 35 - 5
A = 30/2
A = 15
Therefore, we define that Aboagye is 15 years old and that Kusi is 5 years old, that is 20 years.
