pandasarebae657 pandasarebae657
  • 02-05-2017
  • Mathematics
contestada

Cheyenne drove 3000 miles in 75 hours. At this rate, how long will it take her to drive 4000 miles?

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PHDFlopper
PHDFlopper PHDFlopper
  • 02-05-2017
set up a proportion:
[tex] \frac{3000}{75} [/tex]=[tex] \frac{4000}{x} [/tex]
To solve cross multiply:
3000x=300000
divide both sides by 3000:
3000x/3000=300000/3000
x=100

It will take her 100 hours to drive 4000 miles assuming she continues to travel at this rate.

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silvana7413
silvana7413 silvana7413
  • 02-05-2017
100 hours is your answer
3000/75=40mph
4000/40=100 hours
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