SOLUTION: John bought two computers, one desktop and one laptop.Before finance charges, the laptop cost $1000 more than the desktop. John paid for the computers using two different financing

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: John bought two computers, one desktop and one laptop.Before finance charges, the laptop cost $1000 more than the desktop. John paid for the computers using two different financing      Log On


   



Question 323075: John bought two computers, one desktop and one laptop.Before finance charges, the laptop cost $1000 more than the desktop. John paid for the computers using two different financing plans. For the desktop rate was 3.5% per year, and for the laptop it was 6.5% per year. The total finance charges for one year were $490.
How much did the desktop computer cost before finance charges?
Thanks.

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Let desktop cost $x -------- 3.5%
Laptop costs x+1000 -------- 6.5%
..
0.065(x+1000)+0.035x = 490
0.065x +65+0.035x=490
0.1x=425
x=425/0.1
x=4250 desktop cost
..
y=5250 Laptop cost
CHECK
4250*0.035+5250*0.065=490