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tackmancalynn
07.11.2019 •
Mathematics
Elaine lives in hawaii, which has a sales tax of 4%. she just bought a swimsuit whose full price was $80, but she presented the retailer with a coupon for $15, which the retailer accepted. what was the total amount that elaine paid?
a. $67.60
b. $68.20
c. $83.20
d. $65.00
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Ответ:
25x2 + 3x + 4
Step-by-step explanation:
3x + 4 + (25x2 + 1 - 5)+ 2x + 6 = 3x + 4 + 25x2 - 6 + 2x + 6 = 25x2 + 3x + 4