# The task in 1 hour via the top crane joins a tank 20 buckets of water, and via the lower crane for the same time 13 buckets of water follow. How many buckets of water will be poured in a tank in 2 hours if to open both ODNOVREMMENNOPLLLLLLLLLLLLLLLIIIIIIIIIII SROOOOCHNNOOO cranes! 1

Taeshzha

350

20*2=40 13*2=26 40+26=66 buckets it will be poured in two hours in bak20-13=7 buckets will be poured in a tank for an hour 7*2 = 14 buckets will be poured in 2 hours if to open two cranes at the same time

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