Page 506 - Basic College Mathematics with Early Integers

S E C T I O N 6.5 I PERCENT AND PROBLEM SOLVING: SALES TAX, COMMISSION, AND DISCOUNT 483

Example 5 Finding a Discount and a Sale Price PRACTICE 5
A discontinued washer and
An electric rice cooker that normally sells for $65 is on sale for 25% off. What is
dryer combo is advertised on
the amount of discount and what is the sale price?
sale for 35% off the regular
Solution: First we find the amount of discount, or simply the discount. price of $700. Find the amount
of discount and the sale price.
amount of discount = discount rate # original price
T T T
amount of discount = 25% # $65
#
= 0.25 $65 Write 25% as 0.25.
= $16.25 Multiply.

The discount is $16.25. Next, find the sale price.

sale price = original price - discount
T T T
sale price = $65 - $16.25
= $48.75 Subtract.

The sale price is $48.75.

Work Practice 5

Answer
5. $245; $455