Mathematics, 20.12.2019 09:31 jessicamcummins

(monica built a porch that contained 2 different colors of bricks to create a pattern. she purchased the red bricks for $7 each and the gray bricks for $4 each. write a system to find out how many red bricks monica purchased if she spent $193 on 40 bricks?

a. what is the system that models this situation?

equation #1:

equation #2:

b. how many red bricks did monica purchase?

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