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Off the Cuff

Age 11 to 14 Short
Challenge Level

Answer: ratio of long-sleeved shirts to short-sleeved shirts is 1:2

try 20 : 2 = (8 + 6 + 6) : (2 + 0 + 0)
               = 1 long-sleeved and 2 short-sleeved

This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.