Problema Solution
Lucy bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $100 less than the desktop. She paid for the computers using two different financing plans. For the desktop the interest rate was 8% per year, and for the laptop it was 6.5% per year. The total finance charges for one year were $335 . How much did each computer cost before finance charges?
Answer provided by our tutors
desktop computer: x
laptop computer: x-100
So the equation is
8%x + 6.5%(x-100) = 335
So
x = 2355.2
So
desktop computer: $2355.2
laptop computer: $2255.2