Question
in a northwest washington county, the speeding fines are determined by the formula: F(s)=15(s-40)+60 where F(s) is the cost, in dollars, of the fine if
in a northwest washington county, the speeding fines are determined by the formula:
F(s)=15(s-40)+60
where F(s) 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 $315, how fast in mph was the person speeding?
_____________
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Financial Algebra advanced algebra with financial applications
Authors: Robert K. Gerver
1st edition
978-1285444857, 128544485X, 978-0357229101, 035722910X, 978-0538449670
