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

Usual price of one bed: $130

David bought some beds at a discount of 30%. He paid $910 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: $130

David bought some beds at a discount of 30%. He paid $910 in total. How many beds did he buy?