alvarademely99 alvarademely99
  • 22-11-2017
  • Mathematics
contestada

IF I travel (4+x) miles per hour for 2 hour and I travel the same distance at (4-x) miles per hour in 3 hours, what is x?

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Plasmataco
Plasmataco Plasmataco
  • 22-11-2017
So this is saying that the two distances travelled are the same.
Now... Distance = Speed * Time
Thus (4+x)*2=(4-x)*3
So 8+2x=12-3x
Thus, 5x=4
so x=0.8
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