SOLUTION: The sum of the ages of Kwasi and Ama is 40 years. Kwasi is 10 years older than Ama. How old are they

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Question 1145415: The sum of the ages of Kwasi and Ama is 40 years. Kwasi is 10 years older than Ama. How old are they

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
let k be Kwasi's age and a be Ama's age
:
1) k + a = 40
:
2) k = a + 10
:
substitute for k in equation 1
:
a + 10 + a = 40
:
2a = 30
:
a = 15, then k = 15 + 10 = 25
:
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Kwasi is 25 years old and Ama is 15 years old
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