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Proportions From Tables

Proportions From Tables. You have been hired by your neighbor to babysit their children Friday night. You are paid $8 per hour. Complete the table relating your pay to the number of hours you worked. Fill in the table to find how much you are paid.

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Proportions From Tables

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  1. Proportions From Tables

  2. You have been hired by your neighbor to babysit their children Friday night. You are paid $8 per hour. Complete the table relating your pay to the number of hours you worked. Fill in the table to find how much you are paid.

  3. Based on the table above, is pay proportional to hours worked? How do you know? Yes pay is proportional to hours because every ratio of pay to hours is the same. The ratio is 8 and every measure of hours worked multiplied by 8 will result in the corresponding measure of pay. How did you determine the pay for 4 ½ hours? How could you use the information to determine the pay for a week in which you worked 20 hours? Could you find this answer another way? If the quantities in the table were graphed, would the point (0,0) be on that graph? What would it mean in the context of the problem?

  4. Describe the relationship between the amount of money earned and the number of hours worked in this example. How can multiplication and division be used to show the earnings are proportional to the number of hours worked?

  5. For each example, if the quantities in the table were graphed, would the point (0,0) be on that graph and describe what the point (0,0) would represent in each table. Do the 𝑥 and 𝑦 values need to go up at a constant rate? In other words, when the 𝑥 and 𝑦 values both go up at a constant rate, does this always indicate that the relationship is proportional?

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