Question

Madison spent 5/8 of her savings on a microwave oven and a refrigerator she use for seventh of the mouth she spent to buy the refrigerator the refrigerator cost $280 more than the microwave oven how much savings in Madison start with

Answer 1

let
microwave =m
refrigerator =r
savings =s

m+r=5/8s
r=4/7 x 5/8s=5/14s
r=5/14s

m=r-280
m=5/14s-280

m + r = 5/8s
5/14s-280 + 5/14= 5/8s
5/14s+5/14s-5/8 = 280
10/112s = 280
s= 280x112/10
s= savings = $3,136