SOLUTION: What is the equation for the problem "John is 3 times as old as Martha.
Five years ago the sum of their ages was 46.
How old are they now?"
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Five years ago the sum of their ages was 46.
How old are they now?"
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Question 509268: What is the equation for the problem "John is 3 times as old as Martha.
Five years ago the sum of their ages was 46.
How old are they now?"
You can put this solution on YOUR website! What is the equation for the problem "John is 3 times as old as Martha.
Five years ago the sum of their ages was 46.
How old are they now?"
.
Let m = Martha's age
then from "John is 3 times as old as Martha":
3m = John's age
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From:"Five years ago the sum of their ages was 46"
(m-5) + (3m-5) = 46
4m-10 = 46
4m = 56
m = 14 years old (Martha)
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John:
3m = 3(14) = 42 years old