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1. The cost of a beer and meat set is 110 rem. It is known that the meat costs 100 rem more than the beer. What are the prices of beer and meat separately?
2. 5 expediters kiss 5 boots in 5 minutes. How long will it take for 100 expediters to kiss 100 boots?
3. Nirianna's wealth doubles every day. If on the 48th day, the bank account in her name was full, how many days did it take for it to be half full?