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8th grade (Illustrative Mathematics)

Unit 5: Lesson 7

Lesson 9: Linear models
Math
8th grade (Illustrative Mathematics)
Unit 5: Functions and volume
Lesson 9: Linear models
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Linear models word problems

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Problem

Shryia read a 481-page-long book cover to cover in a single session, at a constant rate. After reading for 1, point, 5 hours, she had 403 pages left to read.
How fast was Shryia reading?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
pages per hour
How long did it take her to read the entire book?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
hours
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