8
QuizMultiple Choice

Rewriting Equations to Use Substitution

Question 8 • (AG Q3) Math 8: 25-26 (JTurner)

Jerome bought 15 videos from a department store. Some videos were new releases, x, which cost $19, and some videos were classics, y, which cost $8. He spent a total of $164 on the videos. Which system of equations is set up correctly to model this information?

Answer
A
x + y = 15. 19 x + 8 y = 164.
Option A
B
x + y = 15. 8 x + 19 y = 164.
Option B
C
x + y = 164. 19 x + 8 y = 15.
Option C
D
x + y = 15. 19 x minus 8 y = 164.
Option D
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