Uses of Percents

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Uses of Percents

• Retail 50 Off!
• Politics With 25 of precincts in
• Science A 7 acid solution
• Finance The market closed down 1.5
• Business Profits are up 10
• Economics Unemployment fell to 4.2

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Convert Fractions to Decimals

• Divide numerator by denominator
• Check decimal place
• Examples
• 7/8 7 8 0.875
• 13/100 13 100 0.13
• 13/1000 13 1000 0.013

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Convert Decimals to Percents

• 100 1 (the whole thing)
• Multiply decimal x 100
• Examples
• 0.875 0.875 x 100 87.5
• 0.13 0.13 x 100 13
• 0.013 0.013 x 100 1.3

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Quiz Convert to Percents

• ¾ ?
• 5/6 ?
• 8/9 ?
• 25/10,000 ?
• 15/5 ?

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Quiz Convert to Percents

• ¾ ?
• 5/6 ?
• 8/9 ?
• 25/10,000 ?
• 15/5 ?