Problema Solution
stereo barn had a sale on two models of compact disc players. one model sold for $225 and another model sold for $285. Twenty four compact disc players were sold. The total amount of sales, excluding tax, was $5820. How many of each model were sold?
Answer provided by our tutors
x + y = 24
225(24-y)+285y=5820 so 5400 - 225y + 285y = 5820 or 60y = 420 or y = 7 so x = 24 - 7 = 17 so 7 , 17