Problema Solution
A washer and a dryer cost $600 combined. The cost of the washer is three times the cost of the dryer. What is the cost of the dryer
Answer provided by our tutors
let washer be w and drier be d
w + d = 600
3w = d
replace d with 3w
w + 3w = 600
4w = 600
w = 150
d = 600-150= 450
drier = 450