You would subtract 8 from both sides making it Z is greater than 4
X is the number of hours studied, so replace x with 3 in the equation:
y = 6.8(3) + 60
y = 20.4 + 60
y = 80.4
Round down to 80.
The answer would be A.
Answer: I'm not to sure about this question its kind of confusing.
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HI
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