According to the ratio of 2: 3: 4, the school distributes 60% of the books purchased to the fourth, fifth and sixth grades. It is known that there are 56 books in grade six. How many books did the sch
According to the ratio of 2: 3: 4, the school distributes 60% of the books purchased to the fourth, fifth and sixth grades. It is known that there are 56 books in grade six. How many books did the school buy?
56÷42+3+4÷60%
=56÷49÷0.6
= 126÷0.6
=2 10 (Ben)
Answer: the school * * * purchases books 2 10.