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To find a certain percent of a number, all you have to do is follow two easy steps: 1) Convert the percentage into decimal for by moving the decimal two places to the left. In this case, 90.0% becomes 0.90. 2) Multiply the decimal number by the other number. In this case, 0.90 X 30 = 27. However, you could have done this particular problem in an even easier way. You know that 10% of 30 is three, because you can find 10% of any number by just moving the decimal one place to the left. Therefore, to get 90% of 30 all you have to do is subtract 3 from it, which gets you the correct answer of 27.
What else can I help you with?
What is 30 percent off 90?
90 minus 30 percent - and therefore 30 percent OFF the number, is equal to 90 x (1 - (30 / 100)) = 90 x (1 - 0.3) = 90 x 0.7 = 63. 30 percent OF 90 is equal to 90 x (30 / 100) = 90 x 0.3 = 27
What is thirty percent out of ninety?
30% of 90 = 30% * 90 = 0.3 * 90 = 27
What percent is 27 out of 90?
30%30%
What is percent of 30 is 27?
a little less than 9 The answer is 8.1
What number you is 30 percent of 90?
10 percent of 90 is 9 so 30 percent will be 9 times 3 which is 27
What is 30 percent off 90p?
30% off of £90 = £63 = 30% discount applied to £90 = £90 - (30% * £90) = £90 - (0.30 * £90) = £90 - £27 = £63
What is 30 percent of 300?
300 x 30% = 90 ( 30% of 300 = 90)
30 percent of what equals 27?
30% = 0.327/0.3 = 90
What is 30 percent off 90 dollars?
30% off $90 = $90 - (0.3 x $90) = $63
What is the percent of 27 out of 30?
27 out of 30 is 90%
What percent is 27 out 30?
27 is 90% of 30.
What is 30 percent of 300 dollars?
$90= 30%/100% * $300= 0.3 * $300= $90
