Seudónimo Seudónimo
  • 09-12-2016
  • Mathematics
contestada

A group of 7 campers has four hours to hike to a lighthouse and back before sundown. The lighthouse is 28 m high. It is located 12 km from camp. How fast do they have to walk?

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maddie12341 maddie12341
  • 09-12-2016
I have no idea so sorry
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