The amounts of plastic waste generated in a region for 2 years were 32,400,000 tons and 20,300,000 tons. What was the total plas
2 answers:
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Answer:
Step-by-step explanation:
Given system of equations:
To solve by the method of substitution, substitute the first equation into the second equation and rearrange so that the equation equals zero:
Factor the quadratic:
Apply the <u>zero-product property</u> and solve for x:
Substitute the found values of x into the <u>second equation</u> and solve for y:
Therefore, the solutions are: