# A) Paid 150 tenges for 5 rulers. How many such rulers can be bought for 210 tenges? b) In shop brought 600 notebooks to a cage and 400 tetrdy to a ruler. The one fifth part of notebooks was sold. How many notebooks remained?

Ananiy

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A) 150:5=30 tenges are costed by one line of 210:30=7 rulers it is possible to buy b) 400+600=1000 notebooks of only 1000:5=200 notebooks sold 1000-200=800 notebooks of an ostalos for 210 tenges) 150:5=30 (tenges) - there is 1 ruler. 210:30=7 (rulers) - can be bought for 210 tenges. b) 600+400=1000 (notebooks) - only. 1000:5*1=200 (notebooks) - sold. 1000-200=800 (notebooks) - remained.

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Genoveva

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