Astudy in your town found that 54 in 1,762 people have a post office box what percent of the people in town have a post office box

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The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What is the sum of these mixed numbers 2 1/8 + 4 3/8