Basic Mathematics for College Students

522 Chapter 6 Percent Self Check 2 What number is 36% of 400? Now TryProblems 19 and 71    The Language of Mathematics When w ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 523 Self Check 3 What number is 240% of 80.3? Now TryProble ...

524 Chapter 6 Percent Self Check 5 9 is what percent of 16? Now TryProblem 31    Self Check 6 What percent of 5 is 8.5? Now T ...

  6.2 Solving Percent Problems Using Percent Equations and Proportions 525 4 Solve percent proportions to find the base. Recal ...

To solve percent application problems, we often have to rewrite the facts of the problem in percent sentence form before we can ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 527 Self Check 9 CAPACITY OF A GYMA total of 784 people att ...

528 Chapter 6 Percent Self Check 10 PRESIDENTIAL ELECTIONSResults from the 2004 U.S. presidential election are shown in the circ ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 529 “When the history of American higher education is updat ...

CONCEPTS Fill in the blanks to complete the percent equation (formula): percent  or Part  a. Without doing the calculation, ...

Translate to a percent equation or percent proportion and then solve to find the unknown number.See Example 4. 8 is what percen ...

REBATES A telephone company offered its customers a rebate of 20% of the cost of all long- distance calls made in the month of ...

WASTE The circle graph below shows the types of trash U.S. residents, businesses, and institutions generated in 2007. If the to ...

WATER USAGE The per-person indoor water use in the typical single family home is about 70 gallons per day. Complete the followi ...

6.3 Applications of Percent 535 Explain why each of the following problems is easy to solve. a. What is 9% of 100? b. 16 is 100 ...

Sales tax rates are usually expressed as a percent and, when necessary, sales tax dollar amounts are rounded to the nearest cent ...

6.3 Applications of Percent 537 EXAMPLE (^2) Total Cost Find the total cost of the child’s car seat shown on the right if the sa ...

538 Chapter 6 Percent    To isolate xon the right side of the equation, divide both sides by 240. To simplify the fraction on ...

6.3 Applications of Percent 539 Self Check 4 SELLING INSURANCEAn insurance salesperson receives a 4.1% commission on each $120 p ...

540 Chapter 6 Percent    From the table, we see that the number of television channels received increased considerably from 2 ...

6.3 Applications of Percent 541 Self Check 6 HOME SCHOOLINGIn one school district, the number of home- schooled children increas ...