asked 83.3k views
24 votes
Go to this link i need help

Go to this link i need help-example-1

1 Answer

12 votes
should be 12.5

19.5 would come out to be greater than 20

17.5 would come out to be 20, but it must be less than
therefore, 12.5 is the answer
answered
User Hans Westman
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