Shiloh is 7 years older than Courtney. Shiloh's age is 13 years less than two times Courtney's age. The system below models the
2 answers:
Answer:
Option B is correct
Solve c + 7 = 2c – 13 to find the value of c.
Step-by-step explanation:
As per the statement:
Shiloh is 7 years older than Courtney. Shiloh's age is 13 years less than two times Courtney's age.
The system below models the relationship between Shiloh's age (s) and Courtney's age (c):
....[1]
....[2]
Equate the equation [1] and [2], to solve for c we have;
Therefore, the following methods is correct to find Shiloh's and Courtney's age is:
Solve c + 7 = 2c – 13 to find the value of c.
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The first thing you should do is graph the function to see the behavior.
When observing the graph (in the attached image) we observe that the following point belongs to the graph:
To prove it, let's evaluate the point in the function:
The equation is fulfilled and therefore the point belongs to the graph.
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See attached image