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Problem Solving Strategy: Guess, Check, Revise

Problem Solving Strategy: Guess, Check, Revise. Lesson 2-7. Additional Examples. During the intermission of the play, the Theater Club sold cups of popcorn and soda. The club sold 79 cups of popcorn and 96 sodas for a total of $271. What was the selling price of a cup of popcorn? Of a soda?.

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Problem Solving Strategy: Guess, Check, Revise

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  1. Problem Solving Strategy: Guess, Check, Revise Lesson 2-7 Additional Examples During the intermission of the play, the Theater Club sold cups of popcorn and soda. The club sold 79 cups of popcorn and 96 sodas for a total of $271. What was the selling price of a cup of popcorn? Of a soda? You can organize conjectures in a table. As a first conjecture, try both with a price of $1.

  2. Popcorn Soda Price Price Total Price $1 $1 79(1) + 96(1) = 79 + 96 The total is too low. Increase = 175 the price of the popcorn only. Problem Solving Strategy: Guess, Check, Revise Lesson 2-7 Additional Examples (continued) $2 $1 79(2) + 96(1) = 158 + 96 The total is too low.= 254 Increase the price of the soda. $2 $2 79(2) + 96(2) = 158 + 192 The total is too high. = 350 Decrease the price of the popcorn. $1 $2 79(1) + 96(2) = 79 + 192 The total is correct. = 271 The popcorn price was $1, and the soda price was $2.

  3. Problem Solving Strategy: Guess, Check, Revise Lesson 2-7 Lesson Quiz Solve using any strategy. 1. A sporting goods store manager ordered twice as many pairs of basketball shoes as tennis shoes. He ordered 96 pairs in all. How many pairs of each did he order? 2. Manuel wrote a 512-word paper over the weekend. He wrote 180 more words on Sunday than he did on Saturday. How many words didhe write on Saturday? 32 pairs of tennis shoes; 64 pairs of basketball shoes 166

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