Mathematics, 19.09.2019 11:20, briannabo08

You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. your average speed over the 12 km drive will be

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You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. your average speed over the 12 km dr...