[powerfull]

Well, in class, we were given this extra credit packet to work on over the break (Tuesday - Sunday). I'm stuck on one problem (for now) and was wondering if someone could give me some guidance on how to solve it (Because the rest of the packet is similar).

Directions: Use Systems of Equations to solve.

- Sarah borrowed $6,000, part at 15.5% and the rest at 14.25%. At the end of 3 years and 6 months, he had paid $3,150 in simple interest. How much did he borrow at each rate?

(Yes, in the question, it does say "he".) I got an answer, but I don't think it's right:



Sorry for the somewhat sloppy work. If you have any questions about the question or my work just ask. Thanks for any help or tips.