SOLUTION: Mary is seven years older than Rose. Ten years ago, she was twice as old as Rose. Find their present ages. I need the representation and the 2 equations needed. Thank you.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Mary is seven years older than Rose. Ten years ago, she was twice as old as Rose. Find their present ages. I need the representation and the 2 equations needed. Thank you.      Log On


   

Question 850428: Mary is seven years older than Rose. Ten years ago, she was twice as old as Rose. Find their present ages.
I need the representation and the 2 equations needed. Thank you.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(1) +m+=+r+%2B+10+
(2) +m+-+10+=+2%2A%28+r+-+10+%29+
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+m+ and +r+ are their present ages