two weeks ago, James bought 3 cans of tennis balls. last week, he bought 4 cans of tennis balls. the tennis balls cost d dollars per can. If spent a total of $15.75, how much does a single can of tennis balls cost?

Respuesta :

Answer:$ 2.25

Step-by-step explanation:4can +3Cans=7cans so divide 15.75 by 7 so the answer is 2.25