10 x 52 = 520 so 5 x 52 must be 260 (half of 520) so 15 x 52 = 520 + 260 = 780.
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If using a calculator type in 520 divided by 100 and multiplied by 15. Ans: 78 However if you are not using a calculator take 10% of 520, ans:52. Then half that, ans:26 and add the two together to get 78.
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4.8 percent of 520 = 24.96%4.8% of 520= 4.8% * 520= 0.048 * 520= 24.96%
11% of 520 = 11% * 520 = 0.11 * 520 = 57.2
85% of 520= 85% * 520= 0.85 * 520= 442
70% of 520= 70% * 520= 0.7 * 520= 364
17% of 520= 17% * 520= 0.17 * 520= 88.4