Maths

 

January 2013 Monthly Maths Challenge

NOTE: The January question is now closed, but you can answer the current question here

Question

 

1.     In driving from town A to town D you pass through town B and then through town C. It is 10 km farther from town A to B than from town B to C and 10 km farther from B to C than from C to D. How far is it from town A to town B?

 

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