40% of $90
= 40% * 90
= 0.4 * 90
= $36
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40% = 0.4 Therefore, 40% off $90= $90 - (0.4 x $90) = $54
15 percent of 40 dollars = $615% of $40= 15% * $40= 0.15 * $40= $6
40 percent of 70 is 28.Therefore 40% of 70 dollars equals 28 dollars.
Ninety percent
40 percent off of 109 dollars is 43.6 dollars.