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Question 1:

Brittany received a gift of $100 for her birthday. Each week, she decided to treat herself to a $5 coffee from Dunkin' Donuts.

1. Write an equation of Brittany's spending. Use y=mx+b

2. Create a graph to match the equation of Brittany's spending. (written on paper or a digital image that you screenshot)

3. How much money will Brittany have left after 8 weeks?

4. What is the rate of change?