# Sec 3.1 Writing Decimals and Fractions as Percents

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Sec 3.1 Writing Decimals and Fractions as Percents. Objectives Write a percent as a decimal Write a percent as a fraction Write a fractional percent as a decimal Write a decimal as a percent Write a fraction as a percent. Percents are: hundredths, or parts of 100. Summary.
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Sec 3.1 Writing Decimals and Fractions as Percents
• Objectives
• Write a percent as a decimal
• Write a percent as a fraction
• Write a fractional percent as a decimal
• Write a decimal as a percent
• Write a fraction as a percent
• Percents are:
• hundredths, or
• parts of 100
• Summary
• To Write a Percent as a Decimal:
• Delete the percent sign
• Move the decimal point two places to the left.
• Summary
• To Write a Percent as a Fraction:
• First write the percent as a decimal
• Next, write the decimal as a fraction
• Finally, write the fraction in lowest terms.
• Summary
• To Write a Fractional Percent as a Decimal:
• Write the fraction as a decimal percent
• Convert the decimal percent to a decimal--ie. delete the percent sign and move the decimal point two places to the left.
• Summary
• To Write a Decimal as a Percent:
• Move decimal point two places to the right
• Attach percent (%) sign.
• Summary
• To Write a Fraction as a Percent:
• Multiply the fraction by 100 and express the result in lowest terms
• Attach percent (%) sign.
• Solutions to ExercisesP. 89 5. 2.034 = 203.4%Solutions to ExercisesP. 89 14. .2108 = 21.08%Solutions to ExercisesP. 89 24. Homework Sec 3.1 Divisible by 3In other words: 3, 6, 9, 12, . . . 83.
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