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Uses of Percents: Retail Deals, Politics, Science, Finance, Business, Economics

Explore the various applications of percents in different fields such as retail, politics, science, finance, business, and economics. Learn how to convert fractions to decimals and decimals to percents through simple steps. Test your knowledge with interactive quizzes.

judithclayton
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Uses of Percents: Retail Deals, Politics, Science, Finance, Business, Economics

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  1. 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%”

  2. 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

  3. 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%

  4. Quiz: Convert to Percents • ¾ = ?% • 5/6 = ?% • 8/9 = ?% • 25/10,000 = ?% • 15/5 = ?%

  5. Quiz: Convert to Percents • ¾ = ?% • 5/6 = ?% • 8/9 = ?% • 25/10,000 = ?% • 15/5 = ?%

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