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8th grade (Illustrative Mathematics)

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

Lesson 13: Lesson 16: Solving problems with systems of equations
Math
8th grade (Illustrative Mathematics)
Unit 4: Linear equations and linear systems
Lesson 16: Solving problems with systems of equations
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Systems of equations word problems

Google Classroom

Problem

Sterre charges dollar sign, 35 to file tax returns, but files for free if she only needs the easiest form. Then she donates dollar sign, 2 to clean water projects per tax return she files. Sterre charged dollar sign, 7, comma, 245 and made a donation of dollar sign, 1, comma, 242 this year for the tax returns she filed.
How many tax returns did Sterre file at each price?
Sterre filed
  • 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
tax returns for free and filed
  • 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
tax returns for dollar sign, 35 each.
Stuck?
Stuck?