What is the value of x in the equation 4x +8y=40, when y=0.8? O 4.6 O 8.4 O 10 O 12
1 answer:
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Equations can be solved in several ways; one of these ways is the graphical method.
The number of commercials, x, and the number of movies, y, on which Naomi's songs were played are 5 and 2, respectively.
Let:
<em /><em> commercials</em>
<em /><em> movies</em>
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She earned a total of $300.
This is represented as:
Her songs were played on 3 more commercials than movies.
This is represented as:
See attachment for the graphs of
From the graph, the lines of both equations intersect at:
This means that:
- <em>The number of movies is 2</em>
- <em>The number of commercials is 5</em>
<em />
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Read more about linear equations at:
