Increase 90 by 10 percent, by multiplying 90 times 1.10 or it is 99.
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72 is an increase of negative 20% compared to 90.
33.333%
10 percent of 90 divided by 3 = 3
90 + 10% = 99
To express 90 percent as a fraction, you would write it as 90/100. This is because percent means "per 100" or "out of 100." To simplify this fraction, you can divide both the numerator and the denominator by 10, which would give you 9/10. So, 90 percent as a fraction is 9/10.