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The equation used to predict how many days it takes a 15-year old to read the first Harry Potter book is = 1.5 + 2.82x1
The equation used to predict how many days it takes a 15-year old to read the first Harry Potter book is = 1.5 + 2.82x1 - 1.04x2 days, where x1 weekly hours of other activities and x2 is the reading grade level. Use this equation to predict how many days it will take to read this book for someone with 10.3 weekly hours of other activities and a 10.5 reading grade level.
20.8 days
17.6 days
19.6 days
20.4 days
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