8.4 Solving Systems by Elimination Word Problem​

8.4 Solving Systems by Elimination with Multiplication​ (Word Problem)

Lesson 8.4

Multiple Select

Let x represent the number of polyester-fill bags sold and let y represent the number of down-fill bags sold. Write a system of equations you can solve to find the number of each type sold.

• $x\ +\ y\ =\ 14$

• $x\ -\ y\ =\ 14$

• $79x+\ 149y\ =\ 1456$

• $79y\ +\ 149x\ =\ 1456$

Fill in the Blank

Explain how you can solve the system for y by multiplying and subtracting.

Fill in the Blank

How many of each type of bag were sold?

Poll

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