40/100*110=44 dollars
The answer is $44.
$13.20
40% of $110 = 0.4 x $110 = $44
29.48$
You get $127.6 off and it costs $162.4
10% is $4.40 so times that by 4 and you get $17.60
20 percent of 44 dollars is 8 dollars 80 cents.
44/40 = 100*44/40 % = 110%
44%
90.91%
10% of 44.00 dollars = 4.40 dollars.