Its $16
solution: $40*40/100 = $16
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6.75
40% of 500 dollars = 500*40/100 = 200 dollars
40% of 98 dollars is 39.20 dollars
10 percent of 442 dollars is $44.20, so 40% is $176.80 .
40% of 49 dollars = 49*40/100 = 19.6 dollars.