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OpenStudy (anonymous):
Suppose yogurt is on sale for $0.50 a piece and you have a coupon for $0.30 off your total order. Write a function rule for the cost of n yogurts. How much would 20 yogurts cost? C(n) = 0.5n – 0.3; $9.70 C(n) = 0.3n – 0.5; $5.50 C(n) = 0.3n; $4.00 C(n) = 0.5n; $10.00 My answer is A. Is this correct?
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OpenStudy (anonymous):
A is the best answer.
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