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Course: Class 8 > Unit 11

Lesson 2: Direct and Inverse proportions 11.2
Math
Class 8
Direct and Inverse proportions
Direct and Inverse proportions 11.2
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Direct and Inverse proportions 11.2

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Problem

It usually takes Superman 180 minutes to fly from Earth to Krypton. He is running late today and has decided to fly at double the usual speed.
How long will it take Superman to fly from Earth to Krypton at double the usual speed?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
minutes