Average speed = total distances / total time
3115.8 / 7.2 = 432.75 mi/h
Answer:
Step-by-step explanation:
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The oldster got a discount, so the original price is higher; let's call it x;



Answer: $14.00
first you need to find the slope (m) using y2-y1/x2-x1.
-4-2/4-1= -6/3=-2
m=-2
then plug into the intercept form formula: y-y1=m(x-x1)
y-2=-2(x-1)
-7 = 1 + 2/3n
Subtract 1 from both sides:
-8 = 2/3n
Multiply both sides by 3:
-24 = 2n
Divide both sides by 2:
N= -12