David wants to purchase nine herb plants. Countryside Nursery has herbs that are on sale at three

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David wants to purchase nine herb plants. Countryside Nursery has herbs that are on sale at three for $3.99. David has a coupon for 25% off an unlimited number of herb plants at the original price of $1.75 per plant. 

(a) Determine the cost of purchasing nine plants at the sale price.

(b) Determine the cost of purchasing nine plants if the coupon is used. 

(c) Which is the least expensive way to purchase the nine plants, and by how much?

Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...
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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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