SOLUTION: The difference between Mary’s age and jim’s age is eight years. Mary is three times as old as Jim. How old is Mary and how old is Jim?

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Question 1155053: The difference between Mary’s age and jim’s age is eight years. Mary is three times as old as Jim. How old is Mary and how old is Jim?
Answer by mananth(16946) About Me  (Show Source):
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The difference between Mary’s age and jim’s age is eight years. Mary is three times as old as Jim. How old is Mary and how old is Jim?
M-J=8
M= 3j
plug M
3j-j =8
2j=8
j=4
So M =12
Mary is 12 years
Jim is 4 years