jenijaime07pdzp04 jenijaime07pdzp04
  • 10-11-2018
  • Mathematics
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Alfonso and Lucas are 238 miles apart, traveling towards each other. If Lucas travels 21 mph and Alfonso travels 13 mph how long until they meet?

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tonb
tonb tonb
  • 10-11-2018

Lucas equation for his location is x(t) = 13t.

Alfonso's equation is x(t) = 238 - 21t

If you equate these, you get:


13t = 238 - 21t =>

34t = 238

t = 7


So after seven hours they meet.

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