SOLUTION: A tire is 191� in diameter, with a 30� diameter hole. What is the probability of throwing a football through the hole? A) 25% B) 2.5% C)6.7% D) 12.1%

Question 1081815: A tire is 191� in diameter, with a 30� diameter hole. What is the probability of throwing a football through the hole?
A) 25%
B) 2.5%
C)6.7%
D) 12.1%
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Not worded well, but I assume the meaning is what fraction of the whole tire is the hole?
The radius, 15," of the hole is about 1/6 of the 95.5 inch radius for the whole tire, which would make 2.5% the best answer.
Area of tire is pi*95.5^2=28652.11
Area of hole is pi*225=706.86
ratio is 0.0246.
B, 2.5%
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