SOLUTION: Martina bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $150 more than the desktop. She paid for the computers using two different financin

Question 1100800: Martina bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $150 more than the desktop. She paid for the computers using two different financing plans. For the desktop the interest rate was 7% per year, and for the laptop it was 5.5% per year. The total finance charges for one year were
$227. How much did each computer cost before finance charges?
Desktop: $_______
Laptop: $________
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Let n be the cost of the desktop; and n+150 be the cost of the laptop. Then:
.07n+.055(n+150)=227
.125n=218.75
n=1750
n+150=1900
The desktop cost $1750;
The laptop cost $1900
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