3 percent of 9 dollars 75 cents is 29 cents.
9/12 * 100 = 75% =====
9 dollars 75 cents
9 percent off of 1200 dollars is 0.09*1200 or 108 dollars.
25 percent off of 36 dollars would be 9 dollars off.
That leaves you with 9%
9 dollars.
30 percent off of $30 would be $9 off.
$5.40
9 / 12 = 0.75Converting decimal to a percentage: 0.75 * 100 = 75%
13*.9=11.70 dollars off 13-11.70= $1.30
30-21=9 dollars