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The Earth is further from the Sun than Venus, but how much further? Twice as far? Ten times?

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On the Road

Age 14 to 16
Challenge Level

The notes for the problem Four on the Road give a suggested approach for this problem.
Use of graphing software or graphical calculators to draw graphs representing the given information can give a lot of insight into what changes and what stays the same when the freedoms of the problem are explored.