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Mathematics, 19.07.2019 15:40 jrsecession
Asailor judges the distance to a lighthouse by holding a ruler at arm's length and measuring the apparent height of the lighthouse. he knows that the lighthouse is actually 60 feet tall. if it appears to be 3 inches tall when the ruler is held 2 feet from his eye, how far away is it?
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Asailor judges the distance to a lighthouse by holding a ruler at arm's length and measuring the app...
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