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Timmy, Tammy and Tommy all set off separately to visit their doctor, leaving their homes at exactly the same time.
Tummy Ache
Age 14 to 16
ShortChallenge Level 
Timmy, Tammy and Tommy all set off separately to visit their doctor, leaving their homes at exactly the same time.
Timmy cycles the 8 km at an average speed of 20 km/hr.
Tammy walks the 1.2 km at an average speed of 4 km/hr.
Tommy drives the 16.5 km at an average speed of 45 km/hr.
In what order do they arrive at the doctor's surgery?
This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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