SOLUTION:
Refrigerator A costs $600 and costs $35 a year to operate.
Refrigerator B costs $800 and costs $40 a year to operate.
how many years are the total costs of the 2 regrigerators
Algebra.Com
Question 133590:
Refrigerator A costs $600 and costs $35 a year to operate.
Refrigerator B costs $800 and costs $40 a year to operate.
how many years are the total costs of the 2 regrigerators the same?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
They will never be the same. As the original cost of the most expensive model is greater than the cheaper model & the operating cost of the most expensive model is also greater.
600+35x=800+40x
35x-40x=800-600
-5x=200
x=200/-5
x=-40 non answer.
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