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

Usual price of one bed: $200

Glen bought some beds at a discount of 10%. He paid $1800 in total. How many beds did he buy?
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At a shop, beds were sold at a price as shown:

Usual price of one bed: $200

Glen bought some beds at a discount of 10%. He paid $1800 in total. How many beds did he buy?