Melissa is buying a new television at BuyMart. The store is offering the rebates shown below. Melissa chooses a television that
has a regular price of $755. The sales tax rate in her town is 8.5%. What is the final cost of the television after the rebate? Buy Mart Television Rebates Mail in this certificate with the receipt from purchase. Regular Price Rebate under $450 $40 rebate $450 to $700 $50 rebate Over $700 $60 rebate
pls help
pls help
2 answers:
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Answer:
Step-by-step explanation:
- The equation of the line in the slope intercept form is:
Where m is the slope and b is the y-intercept of the line
- Let's choose two points of the line: (8,-1) and (-4,-4).
- You must calculate the slope of the line as following:
- As you can see in the graph attached, the line intersects the y-axis at -3, then b=-3.
- Substituting values into the equation of the line, you obtain: