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8th grade (Illustrative Mathematics)

Course: 8th grade (Illustrative Mathematics) > Unit 4

Lesson 8: Lesson 9: When are they the same?
Math
8th grade (Illustrative Mathematics)
Linear equations and linear systems
Lesson 9: When are they the same?
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Age word problems

Google Classroom

Problem

Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.
How old is Michael now?
  • 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
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