If 28% of a sum is $100.80, what is the sum?

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Izayah

Mathematics

1 October, 04:24

If 28% of a sum is $100.80, what is the sum?

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Easton Harding · Answer 1

Call the sum S. Then, you can use the definition of percentage to obtain an equation to find the value of S: 1) 28% = 28 / 100; 2) 28% of x = (28/100) x; 3) that is equal to $100.80 = > (28/100) x = 100.8 = > x = 100.8 * 100 / 28 = > x = 360. You can verify that the 28% of 360 is 100.80: 360 * 28/100 = 100.80. Then, the answer is $360.