Servers at a snack shop use the table below to find the total cost for frozen yogurt, but some of the numbers have worn off. The
total cost is proportional to the number of cups of frozen yogurt. Find the missing numbers in the table.
1 answer:
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Answer:
Step-by-step explanation:
In this exercise, we have two equations, namely:
And we are asked to solve this problem by graphing. In this way, we can write a system of linear equations in two variables, but first of all, let's rewrite:
Then:
So here we have two lines.
The first one is:
This line passes through the origin and has a slope
The second one is:
This line has a slope and cuts the y-axis at
By using graph tools, we get the graph shown below, then:
