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3.6

Fractions and Problem Solving. 3.6. Solving Problems Containing Fractions or Mixed Numbers. Problem-Solving Steps. Example. A nacho recipe calls for 1/2 cup cheddar cheese and 1/3 cup jalapeño cheese. Find the total amount of cheese in the recipe.

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3.6

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  1. Fractions and Problem Solving 3.6

  2. Solving Problems Containing Fractions or Mixed Numbers

  3. Problem-Solving Steps

  4. Example A nacho recipe calls for 1/2 cup cheddar cheese and 1/3 cup jalapeño cheese. Find the total amount of cheese in the recipe. Total amount of cheese = cheddar + jalapeno The total amount of cheese is 5/6 of a cup.

  5. Example Sony recently purchased a small camcorder. It measures 5 inches by 2 ½ inches by 1 ¾ inches and can store 30 minutes of moving images. Find the volume of a box with these dimensions. Volume = length  width  height

  6. Solve Problems by Performing Operations on Fractions or Mixed Numbers Practice Problem 1 Find the volume of a box that measures feet by feet by feet. SOLUTION P 224

  7. Example in book on page 225 Given the following diagram, find its total length. Total length = first + second + third length P 225

  8. Solve Problems by Performing Operations on Fractions or Mixed Numbers Practice Problem 3 Suppose that 25 acres of land are purchased, but because of roads and wetlands concerns, acres cannot be developed into lots. How many acre lots can the rest of the land be divided into. SOLUTION P 225

  9. DONE

  10. Solve Problems by Performing Operations on Fractions or Mixed Numbers Practice Problem 2 Given the following diagram, find its total width. SOLUTION LCD is 16 P 225

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