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10 percent of dissovled substances
90%-74% = 16%
0.900 percent = 0.90 percent = 0.9 percent = 9/10 percent 0.900 percent = 0.009 0.900 = 90 percent
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
To find 90 percent of 2000, you first convert 90 percent to a decimal by dividing by 100, which gives you 0.90. Then, you multiply 0.90 by 2000 to get the answer. So, 90 percent of 2000 is 1800.