Posted by Ana on Wednesday, December 26, 2012 at 6:10pm.
Madison spent 5/8 of her savings on a microwave oven and a refridgerator. She used 4/7 of the amount she spent to buy the refrigderator. The refridgerator cost $280 more than the microwave oven. How much savings did Madison start with ?

Math  drwls, Wednesday, December 26, 2012 at 6:44pm
20/56 of her savings was spent on the fridge. 15/56 of her savings was spent on the microwave. Let the savings be S.
(20/56  15/56) S = 5/56 S = 280
Solve for S.
S = $3136

Math  Ana, Thursday, December 27, 2012 at 1:06pm
May you explain how did you get the 20/56 and the 15/56 . I do not know what you did there . Answer back please .
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