cnizzlecuhhs cnizzlecuhhs

26-08-2017
Physics

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A motorist makes a trip of 180 miles. For the first 90 mph she drives at a constant speed of 30 mph. What constant speed must she drives the remaining distance if her average speed for the total trip is to be 40 mph

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eddielpatton39 eddielpatton39

26-08-2017

I think it is 50 mhp because it's in half

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