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Notes 9/7/11

Notes 9/7/11. EQ: How can I use proportions to solve word problems?. Example 1. Write a ratio in words first! In November 2007 the average price of 5 gallons of unleaded gasoline in the U nited States was $15.50. What was the price for 16 gallons of gas?. Example 2.

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Notes 9/7/11

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  1. Notes9/7/11 EQ: How can I use proportions to solve word problems?

  2. Example 1 Write a ratio in words first! In November 2007 the average price of 5 gallons of unleaded gasoline in the United States was $15.50. What was the price for 16 gallons of gas?

  3. Example 2 A dripping faucet wastes 3 cups of water every 24 hours. How much water is wasted in a week?

  4. Example 3 Bi-Lo is selling 3 packs of toothpicks for $0.87. How much will 10 packs of toothpicks cost at this price?

  5. Example 4 A 200-ft building casts a shadow that is 3 yards long. How tall is another building that has a shadow that is 5½ yards long?

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