75% of 90
= 75% * 90
= 0.75 * 90
= 67.5
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75% of 90 = 75% * 90 = 0.75 * 90 = 67.5
it is 22.5
20% increase
75 x 0.20 = 15 15 + 75 = 90 90 is 20% greater than 75. Alternate way of solving the problem: 75 x 1.20 = 90
90 /120 x 100 = 75%This means that 90 is 755 of 120, so...100% - 75% = 25% change