Notebooks

Liza a store owner buys 560 notebooks. He sold 3/8 of the notebook then she adds the stocks of notebook of 1/4 of the number of notebooks she bought. What is the total number of notebook she bought?

Result

n =  490

Solution:

n=5603/8 560+1/4 560=490n=560 - 3/8 \cdot \ 560 + 1/4 \cdot \ 560=490



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