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Tom left a motorway service station and travelled towards Glasgow at a steady speed of 60 mph. Tim left the same service station 10 minutes after Tom and travelled in the same direction at a steady speed, overtaking Tom after a further 1 hour 40 minutes.
At what speed did Tim travel?
If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.
Can you prove that the sum of the distances of any point inside a square from its sides is always equal (half the perimeter)? Can you prove it to be true for a rectangle or a hexagon?
The Earth is further from the Sun than Venus, but how much further? Twice as far? Ten times?