The monetary numeral $90 is spelled "ninety dollars".
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15% off of 90 dollars = 85% of 90 dollars = 90*85/100 = 76.50 dollars
90 = ninety
90 = ninety.
50 - 90% = 50 x (1 - (90/100)) = 50 x 0.1 = $5 Therefore, 90 percent off 50 dollars is equal to 5 dollars.
90 percent of ten-thousand dollars is nine-thousand dollars.