SOLUTION: Sandy is 13. In five years her age will be 3/2 the age of her sister Maria. How old will Maria be in 3 years?

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Question 1137436: Sandy is 13. In five years her age will be 3/2 the age of her sister Maria. How old will Maria be in 3 years?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+13+ = Sandy's age now
Let +x+ = Maria's age now
--------------------------------------
+13+%2B+5+=+%28+3%2F2+%29%2A%28+x+%2B+5+%29+
+2%2A18+=+3x+%2B+15+
+3x+=+36+-+15+
+3x+=+21+
+x+=+7+
Maria is 7 now
In 3 years, she will be 10