SOLUTION: The sum of Lisa's age and her mother's age is 66. The difference in their ages is 28. How old are Lisa and her mother?

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Question 432873: The sum of Lisa's age and her mother's age is 66. The difference in their ages is 28. How old are Lisa and her mother?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
M+L=66
M-L=28
m=66-L
m=28+L
66-L=28+L
66-28=2L
l=19 m=47