Raymond B. answered 03/24/23
Tutor
5
(2)
Math, microeconomics or criminal justice
w+d=860
w = d-90
w-d =-90
add 1st and 3rd equations above to eliminate one variable
2w = 860-90 = 770
w = 770/2 = $385 for a washer
d= $475 for a dryer