Answer:
approximately 7 minutes
Explanation:
12*1/2=6
9*1/3=3
5*5/6=4.16666666667
9*1/2=4.5
the shortest times are
3 + 4.16666666667= 7.16666666667
If you wan to go on the two rides with the shortest wait times (Dr. Zoom & Dueling Dragons), it should take 15 1/6 minutes.
9 1/3 --> 9 2/6
9 2/6+5 5/6=15 1/6
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