Basic Mathematics for College Students

1 502 Chapter 6 Percent SolutionWe begin with nitrogen. Drop the % symbol and write 78 over 100. Nitrogen makes up 10078 , or , ...

6.1 Percents, Decimals, and Fractions 503 To write this as a fraction of whole numbers, we will perform the division indicated b ...

504 Chapter 6 Percent 3 Write percents as decimals. To write a percent as a decimal, recall that a percent can be written as a f ...

6.1 Percents, Decimals, and Fractions 505 b.From the graph, we see that the percent market share for the Deal or No Deal website ...

506 Chapter 6 Percent 4 Write decimals as percents. To write a percent as a decimal, we drop the % symbol and move the decimal p ...

6.1 Percents, Decimals, and Fractions 507 WHYA fraction-to-decimal-to-percent approach must be used to write a fraction as a per ...

Some percents occur so frequently that it is useful to memorize their fractional and decimal equivalents. 508 Chapter 6 Percent ...

6.1 Percents, Decimals, and Fractions 509 a.42% b.56% 2.^2325 3.1,000^133 4. 65 5. a.^2110 b.5,000^27 6. a.0.1643 b.0.0206 ANS ...

Write each percent as a fraction. Simplify, if possible.See Example 2. 17% 18. 31% 91% 20. 89% 4% 22. 5% 60% 24. 40% Write each ...

Pacific Coast States Middle Atlantic States New England States Rocky Mountain States Midwestern States Southwestern States South ...

SOAP Ivory soap claims to be pure. Write this percent as a decimal. LOGOS In the illustration, what part of the company’s logo ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 513 SECTION 6.2 Solving Percent Problems Using Percent Equa ...

514 Chapter 6 Percent EXAMPLE (^1) Translate each percent sentence to a percent equation. a.What number is 12% of 64? b.What per ...

Percent sentences involve a comparison of numbers. In the statement “420 is 84% of 500,” the number 420 is called the amount,84% ...

516 Chapter 6 Percent The Language of Mathematics We solve percent equations by writing a series of steps that result in an equa ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 517 This is the equation to solve. To undo the multiplicati ...

518 Chapter 6 Percent SolutionFirst, we translate. of is x  6  7.5 This is the equation to solve. To undo the multiplication b ...

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

ratio, , represent the same shaded portion of the figure, they must be equal, and we can write Recall from Section 5.2 that stat ...

6.2 Solving Percent Problems Using Percent Equations and Proportions 521 Percent Proportion To translate a percent sentence to a ...