# Tennis balls

Can of tennis balls contains 3 balls per can and cost $7 how much will it cost for 36 tennis balls? ### Correct answer: x = 84 USD ### Step-by-step explanation: We will be pleased if You send us any improvements to this math problem. Thank you! Tips to related online calculators Need help to calculate sum, simplify or multiply fractions? Try our fraction calculator. #### You need to know the following knowledge to solve this word math problem: ## Related math problems and questions: • Exchange rates If the Canadian dollar appreciated by C$0.005 relative to the US dollar, what would be the new value of the Canadian dollar per US dollar? Assume the current exchange rate was US$1 = C$0.907.
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