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# How To Calculate Discount and Sale Price

## Learn About Calculating Percent Increase And Decrease With The Following Examples And Interactive Exercises.  Problem : In a video shop, a DVD that sells for \$ 15 is marked “ 10 % off. ” What is the discount rate ? What is the sale price of the DVD ?
analysis : Stores much sell goods for a discount price. typically, a storehouse will discount an item by a percentage of the master price. In this trouble, an item that in the first place costs \$ 15 is being discounted by 10 %. So “ 10 % off ” refers to the rate of discount. To solve this problem, we need a routine .
Procedure:

1. The rate is usually given as a percent.
2. To find the discount, multiply the rate by the original price.
3. To find the sale price, subtract the discount from original price.

now that we have a operation, we can solve the trouble above . Problem : In a video store, a DVD that sells for \$ 15 is marked, “ 10 % off ”. What is the discount ? What is the sale monetary value of the DVD ?
solution : The pace is 10 % .
The discount is : 0.10 x \$ 15.00 = \$ 1.50
The sale price is calculated as follows :

 \$15.00 original price –     1.50 – discount \$13.50 sale price

answer : The discount is \$ 1.50 and the sale price is \$ 13.50 .
Let ‘s take a look at some more examples of calculating rebate and sale price . Example 1 : In a department store, a \$ 40 full-dress is marked, “ Save 25 %. ” What is the dismiss ? What is the sale monetary value of the dress ?
analysis : The give voice, “ Save 25 %, ” refers to the rate .
The original monetary value of the dress is \$ 40 .
solution : The rate is 25 % .
The dismiss is : 0.25 adam \$ 40.00 = \$ 10.00
The sale price is calculated as follows :

 \$40.00 original price –    10.00 – discount \$30.00 sale price

answer : The dismiss is \$ 10.00 and the sale price is \$ 30.00 . Example 2 : In a grocery store, a \$ 12 case of sodium carbonate is labeled, “ Get a 20 % deduction. ” What is the discount ? What is the sale price of the lawsuit of sodium carbonate ?
analysis : The phrase, “ Get a 20 % discount rate, ” refers to the rate .
solution : The rate is 20 % .
The discount is : 0.20 adam \$ 12.00 = \$ 2.40
The sale price is calculated as follows :

 \$12.00 original price –    2.40 – discount \$ 9.60 sale price

suffice : The rebate is \$ 2.40 and the sale price is \$ 9.60 . Example 3 : In a candy memory, a \$ 5.00 jar of candy is labeled, “ 50 % off. ” What is the rebate ? What is the sale price of the jar of candy ?
analysis : The phrase, “ 50 % off, ” refers to the rate.

solution : The pace is 50 % .
The deduction is : 0.50 ten \$ 5.00 = \$ 2.50
The sale price is calculated as follows :

 \$5.00 original price –    2.50 – discount \$2.50 sale price

answer : The deduction is \$ 2.50 and the sale price is \$ 2.50 .
In Example 3, note that the discount and the sale price are the same sum ! Do you know what fraction is peer to 50 % ? Could you have done this problem using genial mathematics ? The idiom, “ 50 % off, ” is the same as, “ 1/2 off ”. So using genial mathematics, you would get that one-half of \$ 5.00 is \$ 2.50. Let ‘s look at another exemplar that uses a fraction . Example 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 tall mallow pizza ?
analysis : The idiom, “ off, ” refers to the rate. It is expressed as a fraction .
solution : The pace is given as the fraction .
The rebate is : x \$ 9.00 = \$ 3.00
The sale price is calculated as follows :

 \$9.00 original price –    3.00 – discount \$6.00 sale price

answer : The dismiss is \$ 3.00 and the sale price is \$ 6.00 .
once again, you could calculate the rebate and sale price using mental mathematics. Let ‘s front at another way of calculating the sale monetary value of an detail. Below is a modified adaptation of the problem from the top of this page . Example 5 : In a video store, a DVD that sells for \$ 15 is marked, “ 10 % off. ” What is the sale monetary value of the DVD ?
solution : The rate is 10 %. therefore, the customer is paying 90 % for the DVD .
The sale price is : 0.90 ten \$ 15.00 = \$ 13.50
answer : The sale price is \$ 13.50 .
note that we calculated the sale price in the above problem, but we did not calculate the deduction .
summary : Stores much sell goods for a dismiss price. typically, a memory will discount an detail by a percentage of the original price. The rate of deduction is normally given as a percentage, but may besides be given as a divide. The phrases used for discount items include, “ off, ” “ Save 50 %, ” and “ Get a 20 % dismiss. ”
Procedure:

1. To calculate the discount, multiply the rate by the original price.
2. To calculate the sale price, subtract the discount from original price.

### Exercises

Directions : Solve each problem below by entering a dollar total with cents. For each exercise below, click once in the ANSWER BOX, type in your answer and then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is right or faulty. To start over, snap CLEAR .

 1. In a boutique, a \$14 scarf is marked, “20% off.” What is the sale price of the scarf? ANSWER BOX:  \$   RESULTS BOX :
 2. In an electronics store, a \$75 iPod is labeled, “Save 15%.” What is the sale price of the iPod? ANSWER BOX:  \$   RESULTS BOX :
 3. What is the discount for the iPod in Exercise 2? ANSWER BOX:  \$   RESULTS BOX :
 4. A \$30 shirt is marked, “Get off.” What is the sale price of the shirt? ANSWER BOX:  \$   RESULTS BOX :
 5. In a bicycle store, a \$500 bicycle is marked, “Get a 30% discount.” What is the sale price of the bicycle? ANSWER BOX:  \$   RESULTS BOX :
source : https://thefartiste.com
Category : Tech 