Seudónimo Seudónimo
  • 02-11-2016
  • Mathematics
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Brian drove 120 miles at speed of 60 miles per hour. He drove the same distance back home at average speed of 40 miles per hour. Brian adds these speeds and divides by 2 to come up with an average speed of 50 miles per hour. What is wrong with his reasoning? Find his average speed. Thx 4 the help

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luana04
luana04 luana04
  • 02-11-2016
i dont really understand the question, 
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