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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

Respuesta :

gerishonwambugu
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