I dont know the answer i pressed on the wrong topic im sorry
Answer:
3/2 or 1.5
Step-by-step explanation:

W+D=659
W=D-91
---------------------------
(D-91)+D=659
D-91+D=659
2D=750
D=750/2=375
------------------------------
W+375=659
W=284
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So the dryer had cost $375 and the washer had cost $284.
Answer: -3/x^2
Step-by-step explanation:
Hope this helps