There are 4 packs of tennis balls while each pack has 3 balls.

4 * 3 = <<4*3=12>>12 balls

Melissa spent a total of $24 for a total of 12 balls. $24 / 12 = $<<24/12=2>>2 per ball

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Melissa bought 4 packs of tennis balls for $24 in total. Each pack contains 3 balls per pack. How much did it cost Melissa for each tennis ball?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
Melissa bought 4 packs of tennis balls for $24 in total. Each pack contains 3 balls per pack. How much did it cost Melissa for each tennis ball?
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