FAC.EI.8
Solve word problems leading to equations of the form px + q = r and p(x + q) = r, where p, q, and r are specific rational numbers. Solve equations of these forms fluently. (7.EE.4a)
Example Problems
Write an equation to describe this situation:
Larry read a 400-page book.
He read at a rate of 10 pages per day for days.
Larry read a 400-page book.
He read at a rate of 10 pages per day for days.
Write an equation to describe this situation:
Simone completed a 720-lap swimming challenge.
She swam 24 laps per day for days.
Simone completed a 720-lap swimming challenge.
She swam 24 laps per day for days.
Write an equation to describe this situation:
Mia completed a 500-piece puzzle.
She worked at a rate of 25 pieces per day for days.
Mia completed a 500-piece puzzle.
She worked at a rate of 25 pieces per day for days.
Khan Academy Resources
1-on-1 AI tutoring aligned to FAC.EI.8. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →