A. 6
First, take 3/4 of 60 away, leaving 60*(1/4), which is 15.
Now, take 1/5 of that away, leaving 15*(4/5), which is 12.
Finally, take 1/2 of 12 away, leaving 12*(1/2), which is 6. Stephanie gave 6 tickets to her brother.
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