frother4ever
frother4ever frother4ever
  • 21-02-2018
  • Mathematics
contestada

Jack walked from school to his house at a rate of 240 ft/min. His sister Jill left school 2 minutes after Jack, walking home at a rate of 360 ft/min. How long after Jack leaves school does Jill catch up to him?

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darklord5764
darklord5764 darklord5764
  • 27-02-2018
jack=240t*2=360t(jill)
so t=6
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