A person drives 500 miles in 5 hours.
she bought 10 pencils and 5 erasers
Let x represent the number of pencils and y represent the number of erasers.
Gabby wants to spend exactly $2.00 on pencils and erasers, hence:
0.15x - 0.1y = 2 (1)
Therefore x = 10 and y = 5
Therefore she bought 10 pencils and 5 erasers.
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Answer: b
Step-by-step explanation:
Answer:
- y +4 = (-1/6)(x -9)
- y = -1/6x -2.5
Step-by-step explanation:
The point-slope form of the equation for a line with slope m through point (h, k) is ...
y -k = m(x -h)
For your given values m=-1/6 and (h, k) = (9, -4), your equation is ...
y +4 = (-1/6)(x -9)
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Solving for y puts this in slope-intercept form.
y = -1/6x +9/6 -4 . . . . eliminate parentheses, subtract 4
y = -1/6x -2.5