SOLUTION: While driving the matamatics team to a contest, the driver noticed that the odometer on the bus read 21,912. The driver also noticed that this number was a palindrome, reading back

Question 514788: While driving the matamatics team to a contest, the driver noticed that the odometer on the bus read 21,912. The driver also noticed that this number was a palindrome, reading backwards and frontwards. The team sponsor said " I'll bet it will be a long time before that happen again!" However, just 105 minutes later, the driver reported that the odometer showed another palindrome(22022). How fast was the bus travling during that time?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
The bus traveled 22022 - 21912 = 90 miles in 105 minutes (7/4 hr). The average speed is (90 mi)/(7/4 hr) = 51.3 mi/hr.
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