Homework Help: MATH

Posted by LaToya on Thursday, August 27, 2009 at 12:39pm.

suzy is ten years older than Billy and next year she will be twice as old as Billy. How old is Suzy now? How old is Billy?

MATH - Reiny, Thursday, August 27, 2009 at 12:55pm
present age:
Billy -- x
Suzy -- x+10

next year:
Billy -- x+1
Suzy --- x+11 , but at that time she will be twice as old as Billy ---> x+11 = 2(x+1)

solve for x
MATH - LaToya, Thursday, August 27, 2009 at 1:43pm
Billy is 9 and Suzy is 19

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