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Chapter 4
APPLYING THE MATHEMATICS
5. Theo has $30 and is saving at a rate of $6 per week.
Michelle has $150 and is spending at a rate of $5 per week.
a. Write an expression for the amount Theo has after
w weeks.
b. Write an expression for the amount Michelle has after
w weeks.
c. Make a graph. Use it to determine when Theo and
Michelle will have the same amount.

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