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Algebraic Expressions

Algebraic Expressions

Independent and Dependent Variables Exercises

Example 1

Ruth gets $2 every time she helps her dad gather sticks in the yard. Apparently, there is a major stick epidemic in their neighborhood. Let t be the number of times Ruth helps her dad gather sticks in the yard, and let R be the amount of money Ruth gets for picking up the sticks. What is the relationship between R and t?

Example 2

Ruth gets $2 every time she helps her dad gather sticks in the yard. Apparently, there is a major stick epidemic in their neighborhood. Let t be the number of times Ruth helps her dad gather sticks in the yard, and let R be the amount of money Ruth gets for picking up the sticks. Does R depend on t or does t depend on R?

Example 3

Ruth gets $2 every time she helps her dad gather sticks in the yard. Apparently, there is a major stick epidemic in their neighborhood. Let t be the number of times Ruth helps her dad gather sticks in the yard, and let R be the amount of money Ruth gets for picking up the sticks. Why are R and t good letters to use as variables for this problem?

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