The table below models the cost, y, of using a high-efficiency washing machine and a standard washing machine over x number of y
ears.
Which equation represents the cost of the high-efficiency washing machine over a given number of years?
Which equation represents the cost of the standard washing machine over a given number of years?
After how many years of use would the washing machines cost the same amount?
Which washing machine would be the more practical purchase if kept for 9 years?
2 answers:
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Answer:
<h2>1. A y = 25x + 500</h2>
Which equation represents the cost of the high-efficiency washing machine over a given number of years?
<h2>
2. B y = 30x + 400</h2>
Which equation represents the cost of the standard washing machine over a given number of years?
<h2>
3. D
20</h2>
After how many years of use would the washing machines cost the same amount?
<h2>
4. B
standard machine</h2>
Which washing machine would be the more practical purchase if kept for 9 years?
<h2>
</h2>
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