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Answer:
9.9
Step-by-step explanation:
all you need to do is to use the Pythagorean theorem. to find line segment ac.
ratio of adults to students can be written as a fraction
adult tickets / student tickets
140/210 can be simplified to 14/21
14/21 can be simplifed to 2/3
First row, the answer on the left , -5 3/4 - 4 2/3
