Tayzia and her two young daughters get haircuts. Women’s haircuts are $48. Children’s haircuts are $36. If Tayzia wants to give a 20% tip to the hair stylist, how much would it be? Think carefully first, then make a decision:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The two daughters’ haircuts cost $36 x 2 = $72. All three haircuts will cost $72 + $48 = $120. The tip on the haircuts is $120 x 20% = $24. So, the answer is 24.