SOLUTION: in maryland speed fine are determined by formula f=10(x-65) +50 where f is the cost in dollar of the fine if a person is caught drriving x miles per hours.
a fine comes to $400. h
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Question 270392: in maryland speed fine are determined by formula f=10(x-65) +50 where f is the cost in dollar of the fine if a person is caught drriving x miles per hours.
a fine comes to $400. how fast was the person speeding
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
f=10(x-65)+50
400=10(x-65)+50
400=10x-650+50
10x=400+650-50
10x=1,000
x=1,000/10
x=100 mph. was the speed.
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