20% of 9 is 1.8
Thus 20% off 9 = 9-1.8 = 7.2
$9.00 x 20% = $1.80
$9.00 - $1.80 = $7.20
180
How I got it:
10% of 900 = 900. to 90.0 (just move the decimal point over one place)
to get 20% just double the 10%
cvxdffgfdggf
180
900 - 20% = 720
900-20 = 880
20%
It is 900+180 = 1080
20 percent off of 750 is 600.
900 x 20% = 900 x 0.2 = 180
900 - 135 = 765
900 - 35% = 585.00
900
£180
20 percent off of 25.95 is 5.19.