Posted by JAY10 on .
An investor has $500 more invested at 7% than he does at 5%..If his annual interest is $515, how much does he have inested at each rate?....I need to know how to solve this problem...Do I use PRT=I(interest) formula..please someone help me with the steps....

ALGEBRA 
bobpursley,
(Y+500).07 + y*.05=515