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? Help!

A) 150/5=30-for one 210/30=7 Answer: 7 b) 600+400=1000 Total number of notebooks 1000/5=200 Answer: 200A) 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 for 210 tenges remained
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