Math illustrations coupon
To calculate the discount, multiply the rate by the original price.The phrases used for discounted items include, " off," "Save 50%," and "Get a 20% discount." The rate of discount is usually given as a percent, but may also be given as a fraction. Typically, a store will discount an item by a percent of the original price. Summary: Stores often sell goods for a discounted price. Note that we calculated the sale price in the above problem, but we did not calculate the discount. Thus, the customer is paying 90% for the DVD. Below is a modified version of the problem from the top of this page.Įxample 5: In a video store, a DVD that sells for $15 is marked, "10% off." What is the sale price of the DVD? Let's look at another way of calculating the sale price of an item. Once again, you could calculate the discount and sale price using mental math. The sale price is calculated as follows: $9.00Īnswer: The discount is $3.00 and the sale price is $6.00. Solution: The rate is given as the fraction. Let's look at another example that uses a fraction.Įxample 4: A pizzeria has a coupon that reads, "Get off a $9.00 cheese pizza." What is the discount? What is the sale price of the cheese pizza?Īnalysis: The phrase, " off," refers to the rate. So using mental math, you would get that one-half of $5.00 is $2.50. In Example 3, note that the discount and the sale price are the same amount! Do you know what fraction is equal to 50%? Could you have done this problem using mental math? The phrase, "50% off," is the same as, "1/2 off". The sale price is calculated as follows: $5.00Īnswer: The discount is $2.50 and the sale price is $2.50. The sale price is calculated as follows: $12.00Īnswer: The discount is $2.40 and the sale price is $9.60.Įxample 3: In a candy store, a $5.00 jar of candy is labeled, "50% off." What is the discount? What is the sale price of the jar of candy?Īnalysis: The phrase, "50% off," refers to the rate. The sale price is calculated as follows: $40.00Īnswer: The discount is $10.00 and the sale price is $30.00.Įxample 2: In a grocery store, a $12 case of soda is labeled, "Get a 20% discount." What is the discount? What is the sale price of the case of soda?Īnalysis: The phrase, "Get a 20% discount," refers to the rate. Let's take a look at some more examples of calculating discount and sale price.Įxample 1: In a department store, a $40 dress is marked, "Save 25%." What is the discount? What is the sale price of the dress?Īnalysis: The phrase, "Save 25%," refers to the rate. The sale price is calculated as follows: $15.00Īnswer: The discount is $1.50 and the sale price is $13.50. What is the discount? What is the sale price of the DVD? Problem: In a video store, a DVD that sells for $15 is marked, "10% off". Now that we have a procedure, we can solve the problem above. To find the sale price, subtract the discount from original price.To find the discount, multiply the rate by the original price.
The rate is usually given as a percent.To solve this problem, we need a procedure. So "10% off" refers to the rate of discount. In this problem, an item that originally costs $15 is being discounted by 10%.
Typically, a store will discount an item by a percent of the original price. Problem: In a video store, a DVD that sells for $15 is marked "10% off." What is the discount? What is the sale price of the DVD?Īnalysis: Stores often sell goods for a discounted price. Learn About Calculating Percent Increase And Decrease With The Following Examples And Interactive Exercises.