On Monday Buddy has 30 baseball cards. On Tuesday Buddy loses half of them. On Wednesday Buddy buys 12 baseball cards. On Thursday he buys a third of what he had on Tuesday. How many baseball cards does he have on Thursday?
Step-by-step reasoning process below:
32
On Tuesday Buddy has 30 / 2 = 15 baseball cards.

On Wednesday Buddy has 15 + 12 = 27 baseball cards.

On Thursday Buddy buys 15 / 3 = 5 baseball cards.

On Thursday Buddy has a total of 27 + 5 = 32 baseball cards.

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Final answer: 32