emilymclaurin123 emilymclaurin123
  • 04-08-2016
  • Mathematics
contestada

A car travels 360 miles in a period of 180 minutes. Find the average velocity of the car in miles per hour over this time period.

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StacksOfBooks
StacksOfBooks StacksOfBooks
  • 04-08-2016
The simple formula for velocity is v=d/t.  Velocity equals distance divided by time.  360 miles divided by 180 minutes.  360/180=2.  The car travels at 2 miles per MINUTE.

Now, to change to miles per HOUR.  There are 60 minutes in an hour, so 2*60=120 miles per hour.

Answer: 120 mph
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thia2hip
thia2hip thia2hip
  • 04-08-2016
You put 360 over 180.
This gives you 360 miles / 180 minutes.
Then change 180 minutes into hours which is 3 hours
360 miles/ 3 hours.
Finally reduce both top and bottom by three which gives you 120 miles per hour
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