cesiliagonzalez1339 cesiliagonzalez1339
  • 10-05-2019
  • Mathematics
contestada

Maria drives to school in 20 minutes. She drives home in 24 minutes. What was her average driving speed in terms of d, the distance from her home to school?

Respuesta :

s1m0
s1m0 s1m0
  • 10-05-2019

Speed is distance/time so

[(d/20)+(d/24)]/2= 24d+20d/24•20•2=44d/20•24•2=22d/20•24=11d/240

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