Question
There were some rows of desks in a hall. Each row had 8 desks. When Diana brought in 4 extra desks and rearranged all the desks, there were 6 desks in each row and 5 more rows than before. How many desks were there at first?
4 m

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There were some rows of desks in a hall. Each row had 8 desks. When Diana brought in 4 extra desks and rearranged all the desks, there were 6 desks in each row and 5 more rows than before. How many desks were there at first?