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3.6 Problem Solving: Using Charts & 3.7 Cost, Income, and Value Problems

3.6 Problem Solving: Using Charts & 3.7 Cost, Income, and Value Problems. Objective : To organize the facts of a problem in a chart and to solve problems involving cost, income, and value.

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3.6 Problem Solving: Using Charts & 3.7 Cost, Income, and Value Problems

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  1. 3.6 Problem Solving: Using Charts & 3.7 Cost, Income, and Value Problems • Objective: To organize the facts of a problem in a chart and to solve problems involving cost, income, and value. • Warm – up: Complete the chart. One board is 4 inches wide and 8 inches longer than another board that is 2 inches wide.

  2. 3.6 Problem Solving: Using Charts Setting up charts and solving… Carrie has 40 more nickels than Joan has dimes. They both have the same amount of money. How many coins does each girl have? • The length of a rectangle (rectangle 1) is twice its width w. A second rectangle (rectangle 2), which is 8 cm longer and 3 cm narrower than the first rectangle, has perimeter 154 cm. Find the dimensions of each rectangle.

  3. 3.7 Cost, Income, and Value Problems Setting up charts and solving… An apple sells for 25 cents and a peach sells for 15 cents. A total of 10 pieces of fruit were sold for a total cost of $2.10. How many apples were sold? • Tickets for the senior class play cost $6 for adults and $3 for students. Total of 846 tickets worth $3846 were sold. How many student tickets were sold?

  4. 3.7 Cost, Income, and Value Problems Setting up charts and solving… Ernesto purchased 100 postage stamps worth $9.90. Half of them were 1₵ stamps, and the rest were 14₵ and 22₵ stamps. How many 22₵ stamps did he buy? • Marlee makes $5 an hour working after school and $6 an hour working on Saturdays. Last week she made $64.50 by working a total of 12 hours. How many hours did she work on Saturday?

  5. 3.7 Cost, Income, and Value Problems • Homework: • Pg. 123 Problems #8 • Pg. 127 Problems#1 – 6

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