15% of 80 is 12, so he got $12 in tips
so the total amount of money earned should be $92 dollars
Answer:
Step-by-step explanation:
96
Answer:
-2
Step-by-step explanation:
given 2 points on a line (x1, yx) and (x2,y2)
the formula for slope, m = (y2-y1) / (x2-x1)
in this case,
x1 = 4, y1 = 3, x2 = 2, y2 = 7
Hence,
m = (7-3) / (2-4) = 4 / -2 = -2
A. 485 is %3 of 500, but the deviation sets it slightly lower than that
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