Sunday, March 12, 2006

brainkilla of da week

The points A, B, C, D, and E are located on a straight line in order.
The distance from A to E is 20cm.
The distance from A to D is 15cm.
The distance from B to E is 10cm.
C is halfway between B and D.
What is the distance from B to C?

can you guess where i found this?


-michael

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