SOLUTION: The sum of the ages of Tom and Chloe is 72 years. 10 years ago, Tom's age was 3 times Chloe's age. How old is Tom now?
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Question 1175066: The sum of the ages of Tom and Chloe is 72 years. 10 years ago, Tom's age was 3 times Chloe's age. How old is Tom now?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Tom’s age be and Chloe’s age
if The sum of the ages of Tom and Chloe is years, we have
.....eq.1
if years ago Tom's age was times Chloe's age, we have
.....eq.2
solve the system:
.....eq.1
.....eq.2
-----------------------------------------
....eq.2...... solve for
.....eq.1...substitute from eq.2
....solve for
go to
.....eq.2, substitute
Tom is years old now.
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