Answer:
13/63
Step-by-step explanation:
7/9-4/7=49/63-36/63=13/63
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Answer: 18%
There are 1879 people who are in the "graduate" row and "receiving aid" column. This is out of 10730 people total (bottom right corner)
The probability is 1879/10730 = 0.175 approximately which converts to 17.5% which rounds to 18%
