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Mathematics, 20.09.2020 07:01 queenjanet46

Marissa drives from her house to work at an avg speed of 40mph. She drives home sameroute at 60mph. Entire round trip is 45 minutes, what is her avgspeed in mph?

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Marissa drives from her house to work at an avg speed of 40mph. She drives home sameroute at 60mph....
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