SOLUTION: Mary's age is three times Jack's, plus 5 more. The sum of those ages is 65. What are their ages?
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Question 1078244: Mary's age is three times Jack's, plus 5 more. The sum of those ages is 65. What are their ages?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
m Mary
j Jack
The description transformed into equations:
Using substitution:
Solve for j, first.
Evaluate m.
OR
Mary is 50 and Jack is 15.
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