SOLUTION: Jeff is 1 year older than twice Mary's age. The sum of their gas is 16. How old is Mary? I tried working out the problem and was unsure how to solve it. Please may I have help.

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Question 1081473: Jeff is 1 year older than twice Mary's age. The sum of their gas is 16. How old is Mary? I tried working out the problem and was unsure how to solve it. Please may I have help.
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
Let Mary be m and Jeff be 2m+1. Then:
m+2m+1=16
3m=15
m=6
Mary is 5; Jeff is 11. ☺☺☺☺

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