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Serggg [28]
3 years ago
14

If you want to buy an item in a store that costs $15 and is on sale for 15% off, then how much would the item actually cost you

after the discount? Round to the nearest cent.
Mathematics
1 answer:
scoray [572]3 years ago
5 0

Answer:

It would cost you $12.75.

Step-by-step explanation:

Model an equation, using c as the initial cost variable and x as the final cost, and then solve for x.

x =  \frac{100 - 15}{100} c \\ x =  \frac{85}{100} (15) \\ x =  \frac{17}{20} (15) \\ x =  \frac{17}{4} (3) \\ x = \frac{51}{4}  \\ x = 12.75

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