The time required for a car to travel a certain distance varies inversely as the rate at which it travels. If it takes 9 hours at 40 miles per hour to travel the distance, how long will it take at 90 miles per hour?
A) t = 7 hours
B) t = 4 hours
C) t = 2 hours
D) t = 8 hours
E) t = 3 hours

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The Answer of The time required for a car to travel a certain distance varies inversely as the rate at which it travels. If it takes 9 hours at 40 miles per hour to travel the distance, how long will it take at 90 miles per hour?
A) t = 7 hours
B) t = 4 hours
C) t = 2 hours
D) t = 8 hours
E) t = 3 hours

The Time Required for a Car to Travel a Certain