taliyahgroce
taliyahgroce taliyahgroce
  • 07-10-2022
  • Mathematics
contestada

Callie took 20 minutes to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day, at the same boat speed, took her 15 minutes. If the current in that part of the river is 5 km/hr, what was her boat speed?

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