FREE Math Help Lessons & Worksheets From Math Goodies
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Discount and Sale Price - Math Goodies
The phrases used for discounted items include, " off," "Save 50%," and "Get a 20% discount." Procedure: To calculate the discount, multiply the rate by the original price. To calculate the sale price, subtract the discount from original price. Exercises.
Shopping Goodies | Math Goodies
$10 off your purchase of $30 or more; Which coupon would you choose and why? The answer depends on how much you buy from the store. The first coupon is a discount rate of 20% -- the discount will vary in direct proportion to the amount of your purchase. The second coupon is a fixed amount off a minimum buy.