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.
Function and values
84 = 83s
s = 84/43
s = 1.012mi/hr