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Mathematics, 14.07.2019 00:30 brown62

For 2 hours, lia drove at the speed of 60 mph, and for the next 3 hours, at the speed of 50 mph. what was lia's average speed during this trip? a)53 mph b)54 mph c)55 mph d)56 mph e)57 mph

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For 2 hours, lia drove at the speed of 60 mph, and for the next 3 hours, at the speed of 50 mph. wha...
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