Physics, 24.01.2020 21:31 dezmondpowell
Julie drives 100 mi to grandmother's house. on the way to grandmothers h's julie drives half the distance at 40 mph and half the distance at 60 mph. on her return trip, she drives half the time at 40 mph and half the time at 60 mph.
a) what is julie's average speed on the way to grandmother's house?
b) what is her average speed in the return trip?
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Julie drives 100 mi to grandmother's house. on the way to grandmothers h's julie drives half the dis...
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