arthurarnold33 arthurarnold33
  • 08-09-2017
  • Mathematics
contestada

An airline runs a commuter flight between Portland Oregon Seattle Washinghton which are 145 miles apart .An increase of 40 miles per hour in the average speed of the plane decreases the travel time by 12 minutes. what initial average speed results in this decrease in travel time ?

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nsiahkobina0
nsiahkobina0 nsiahkobina0
  • 08-09-2017
i think the answer is 151.46
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