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alexbrafford
31.07.2019 •
Mathematics
Sammy is 5 feet 3 inches tall. he casts a shadow that is 31 feet 6 inches long. he is standing next to a stop sign that casts a shadow that is 40 feet 6 inches long. how tall is the stop sign in feet and inches.
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Ответ:
Divide both sides by 378:
The sign is 81 inches tall. Converting this to feet and inches, divide by 12; this gives us 6.75. We have 6 feet and 0.75 feet. 0.75 feet * 12 inches per foot = 9 inches. The sign is 6 feet 9 inches tall.
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