A speeding ticket costs $40 plus $5 for each mile per hour over the speed limit. Lynne mentions that she was given a ticket for $75. What is a valid conclusion using deductive reasoning?

a.Lynne was driving 7 miles per hour over the speed limit.
b.Lynne was driving about 75 miles an hour.
c.Lynne was driving erratically and not at a steady speed.
d.Lynne was driving 9 miles an hour over the speed limit.

Question

A speeding ticket costs $40 plus $5 for each mile per hour over the speed limit. Lynne mentions that she was given a ticket for $75. What is a valid conclusion using deductive reasoning?

a.Lynne was driving 7 miles per hour over the speed limit.
b.Lynne was driving about 75 miles an hour.
c.Lynne was driving erratically and not at a steady speed.
d.Lynne was driving 9 miles an hour over the speed limit.

anonymous · Answer

Let x = miles over the speed limit

(75-40) / 5 = x

anonymous · Answer

Thanks(: