SOLUTION: A quarter (25 cent piece) is 3/4 inch in diameter and when placed 7 feet from the eye will just block out the disc of the moon. If the diameter of the moon is 2160 miles, how far i

Question 672354: A quarter (25 cent piece) is 3/4 inch in diameter and when placed 7 feet from the eye will just block out the disc of the moon. If the diameter of the moon is 2160 miles, how far is the moon from Earth?
How would I go about on solving this one?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A quarter (25 cent piece) is 3/4 inch in diameter and when placed 7 feet from the eye will just block out the disc of the moon. If the diameter of the moon is 2160 miles, how far is the moon from Earth?
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7 ft = 84 inches
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0.75/84 = 2160/d d in miles.

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