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[ Information | Background | The CyberTeaser | Quantum News | Miscellaneous Stuff ] Solution to CyberTeaser B228Two trips to the shop took Boris 3 × 55 – 35 – 50 = 80 minutes. Thus, it takes him 40 minutes to buy and eat an ice cream cone and come back to school, so he has quite enough time to go to the shop again. CyberTeaser Archive
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