Die Heuning Pot Literature Guide
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Page (9 of 10) Exercises:   1    2    3    4    5    6    7    8    9    10  

Exercise 9

Shauna starts painting at noon. She can paint (140 – kt) square feet per hour, where t is the number of hours since she started painting and k is a constant accounting for the fact that Shauna slows down as she gets tired. If Shauna paints 100 square feet between 2pm and 3pm, what is k?

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