Basic Mathematics for College Students

542 Chapter 6 Percent To isolate xon the right side, divide both sides of the equation by 5,000. Then remove the common factor o ...

6.3 Applications of Percent 543    The percent equation method: is of 238  x  425 Translate. This is the equation to solve. ...

If we know the original price and the sale price of an item, we can use the following formula to find the amount of discount. 54 ...

6.3 Applications of Percent 545 EXAMPLE (^8) Shoe Sales Use the information in the advertisement shown on the previous page to f ...

Ceiling Fan Hampton Bay 52 in. Quick install Antique Brass Was: $199.99 40.00 Now: $159.00^ 20% OFF 546 Chapter 6 Percent To s ...

NEWSPAPERS The table below shows how the circulations of two daily newspapers changed from 2003 to 2007. Solve each problem to ...

Solve each problem to find the percent of decrease.See Example 7. TRAVEL TIME After a new freeway was completed, a commuter’s t ...

BUYING FISHING EQUIPMENT There are federal exercise taxes on the retail price when purchasing fishing equipment. The taxes are ...

CAR INSURANCE A student paid a car insurance premium of $420 every three months. Then the premium dropped to $370, because she ...

WATCHES Regularly $39.95 Now 20% OFF S A L E WATCH SALE Refer to the advertisement below. a. Find the amount of the discount o ...

552 Chapter 6 Percent SECTION 6.4 Estimation with Percent Objectives 1 Estimate answers to percent problems involving 1% and 10% ...

The rule for finding 10% of a number can be extended to help us quickly find multiples of 10% of a number. 6.4 Estimation with P ...

554 Chapter 6 Percent 2 Estimate answers to percent problems involving 50%, 25%, 5%, and 15%. There is an easy way to find 50% o ...

We can use the shortcuts for finding 10% and 5% of a number to find 15% of a number. 6.4 Estimation with Percent 555 EXAMPLE (^6 ...

556 Chapter 6 Percent 3 Estimate answers to percent problems involving 200%. Since 100% of a number is the number itself, it fol ...

6.4 Estimation with Percent 557 SECTION 6.4 STUDY SET VOCABULARY Fill in the blanks. can be used to find approximations when ex ...

What is 1% of 628.21? What is 1% of 12,847.9? What is 15% of 119? What is 15% of 237? What is 10% of 67.0056? What is 10% of 94 ...

6.5 Interest 559 SALES TAX The state sales tax rate in Kansas is 5.3%. Estimate the sales tax on a purchase of $596. VOTING On ...

Simple interestis interest earned only on the original principal. It is found using the following formula. 560 Chapter 6 Percent ...

6.5 Interest 561 WHYAt the end of 3 years, the total amount of money in the account is the sum Now TryProblem 21 of the principa ...