Question

In a Northwest Washington County, speeding fines are determined by the formula:
F = 12(835) + 100
where F is the cost, in dollars, of the fine if a person is caught driving at a speed of s miles per hour.
If a fine comes to $184, how fast was the person speeding?
Answer: The person's speed was
miles per hour.

Answer 1

The persons speed in miles per hour is 1.012 mies per hour

Function and values

Given the equation that represents the speeding fines In a Northwest Washington County as;

F = 12(83s) + 100

where

F is the cost, in dollars, of the fine if a person is caught driving at a speed of s miles per hour.

If the fine comes to $184, the speed is calculated as;

184 = 12(83s) + 100

184 - 100 = 83s
84 = 83s
s = 84/43
s = 1.012mi/hr

Hence the persons speed in miles per hour is 1.012 mies per hour

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