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what is the number of a square feet in the surface of a steel plate 180 inches high and 48 inches wide?

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Linda P. | Linda: The Math TutorLinda: The Math Tutor
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4*15=60ftsq
 
Albert C. | Patient, experienced, Harvard student tutorPatient, experienced, Harvard student tu...
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The easiest way to do this problem is to convert the given information into feet. We then can see that the surface is 15 feet high (as given by 180/12) and 4 feet wide, so to find the area we multiply 15 * 4 = 60 feet.
 
The other way to do this problem is to see that the surface is 8,640 square inches (180*48). Since there are 144 square inches in a square foot, we divide 8,640 by 144 and get 60 feet.

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