Question
At a shop, book shelves were sold at a price as shown:

Usual price of one book shelf: $175

Brandon bought some book shelves at a discount of 20%. He paid $1400 in total. How many book shelves did he buy?
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At a shop, book shelves were sold at a price as shown:

Usual price of one book shelf: $175

Brandon bought some book shelves at a discount of 20%. He paid $1400 in total. How many book shelves did he buy?