To find the number that 28 is 87.5% of, you can set up the equation: 0.875x = 28. To solve for x, you would divide both sides by 0.875, which gives you x = 32. Therefore, 28 is 87.5% of the number 32.
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2500 x 0.35 = 875
272
sum of interior angles of a regular polygon = (n-2) x 180 degrees, where n = number of sides. Each interior angle - sum of exterior angles / the total number of angles (and there are the same number of angles as sides, so you can use sum / n) = ((28-2)*180)/28) = (26*180 / 28) = 4680 / 28 = 167.1429 degrees
A number n for which the sum of all the positive integer factors of n which are less than n add up to n.For example, 6 and 28 are perfect numbers. The number 6 has factors 1, 2, and 3, and 1 + 2 + 3 = 6. The number 28 has factors 1, 2, 4, 7, and 14, and 1 + 2 + 4 + 7 + 14 = 28
97 square yards and 2 feet