Chang bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $300 more than the desktop. He paid for the computers using two different financing plans. For the desktop the interest rate was 9% per year, and for the laptop it was 7% per year. The total finance charges for one year were $365 . How much did each computer cost before finance charges?

Question

anonymous · Answer

$$D+300=L$$ and $$.09D + .07(D+300)=365$$

anonymous · Answer

I think that equation should be handleable....

anonymous · Answer

thank you !