Clouise Lesson (ENG)
Lección (ESP)
1.2.1 How do they compare?
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Proportional Relationships with Graphs and Tables
You may recall studying about proportional relationships in a previous course. Today you will investigate proportional relationships in graphs and tables.
1-41.
Make a table and a graph to represent each of the situations below.
a. Parvin often cleans the dishes for her mother. She can clean 17 plates in 10 minutes. How many plates can she clean in different amounts of time?
b. Yasmin's puppy, Maggie, weighed 14 ounces at birth. She doubled her birth weight in 10 days. Assuming her growth is constant, how much will she weigh at various times in the
first year?
c. Angel saw an Internet pop-up advertisement for an investment that doubles your money every year. If Angel invests the $20 her grandmother gave her for her birthday, how much
money will she have in various years?
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d. Which of the situations in parts (a) through (c) describe a proportional relationship? How do you know if a relationship is proportional by looking at the table? What about by
looking at the graph?
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