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OpenStudy (cowgirls12):
Plzzz help fast!! saras mom takes the park way to work it takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile 121 what is her average speed A. 33 mph B 16.5 mph C. 4.0 D.66 mph
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OpenStudy (cowgirls12):
I think it's 4.0 mph
OpenStudy (blazeryder):
\[121-88=33\] She traveled 33 miles in 30 minutes. \[D=r \times t\]\[33 = r \times 0.5\] Now you just need to solve for r. Don't forget your answer will be in miles per hour.
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