Posted by Lorie on Friday, April 5, 2013 at 1:03pm.
Ricky is 5 years older than Sara. Three years ago he was twice her age. How old is Ricky? Thanks for the help!

math  Steve, Friday, April 5, 2013 at 2:15pm
r=s+5
r3 = 2(s3)
(r,s)=(13,8)

math  Wayne, Friday, April 5, 2013 at 2:21pm
Sarah is 8, Ricky is 13
age now age 3 yrs ago
Sara x x  3
ricky x + 5 (x+5)3
so (x+53)= 2*(x3)
x+2=2x6
x=8
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