50% is the probability of one landing on tails
First subtract 4 from 7 since they are just asking for the amount he paid for pitches. Then, take the difference (3) and divide it by .75 to get your answer (4 groups).
Answer:
I believe the answer is 7
I'd say angle A = angle B
arc tangent (angle B) = 150 / 555
<span><span><span>arc tangent (angle B) = 0.2702702703
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angle B = 15.124 degrees
By the way 555 feet is the height of the Washington Monument.
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