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Weekly Problem 7 - 2008

Stage: 3 and 4 Challenge Level: Challenge Level:1

The information display on a train shows letters by illuminating dots in a rectangular 5 x 8 array. In the letter 't' shown, what fraction of the dots in the array is illuminated?

t

 

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

 

 

This problem is taken from the UKMT Mathematical Challenges.

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