Mathematics, 21.07.2019 22:00 neariah24

Annette drives her car 120120 miles and has a mean of a certain speed. if the mean speed had been 3mph3⁢mph more, she could have traveled 128128 miles in the same length of time. what was her mean speed?

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Annette drives her car 120120 miles and has a mean of a certain speed. if the mean speed had been 3m...