SOLUTION: Age Practice Problem
The sum of the ages of Blake and Mackenzie is 68 years. 8 years ago, Blake's age was 3 times Mackenzie's age. How old is Blake now?
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Question 1175129: Age Practice Problem
The sum of the ages of Blake and Mackenzie is 68 years. 8 years ago, Blake's age was 3 times Mackenzie's age. How old is Blake now?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Blake ‘s age be and Mackenzie's age
if the sum of the ages of Blake and Mackenzie is years, we have
....solve for
....eq.1
if years ago Blake's age was times Mackenzie's age, we have
....eq.2......substitute
go to
....eq.1....substitute
answer: Blake is years old now
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