Samuel scored a 72, 92 and 80 on his first three exams. What is the minimum score he needs to get on his exam to get an average
1 answer:
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Answer:
C
Step-by-step explanation:
We know it's direct variation using the direct variation equation.
Where k is the constant.
Since 7 times x is the y values,
Now we can substitute 7 into k of the direct variation equation.
