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

Usual price of one dining chair: $40

Ivan bought some dining chairs at a discount of 20%. He paid $64 in total. How many dining chairs did he buy?
3 m

Click button first when a symbol is required. X

At a shop, dining chairs were sold at a price as shown:

Usual price of one dining chair: $40

Ivan bought some dining chairs at a discount of 20%. He paid $64 in total. How many dining chairs did he buy?