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OpenStudy (anonymous):
Angela drives on the highway for 2 hours.She travels 11t miles during this time. She averages 22 mph faster on this drive than in the city traffic. What is her average speed in the city.
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OpenStudy (anonymous):
Is it 90
OpenStudy (mathstudent55):
avg speed = distance/time The average during her highway drive is highway speed = 11t/2 city speed = 11t/2 - 22
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