It is 900 minus 45 equals 855
5.40 - 15% = 4.59
105 - 15% = 89.25
102
15% of 900 is 135
15% decrease of 320
40% increase.
It is: 235-35.25 = 199.75
15% off $900:= 15% discount applied to $900= $900 - (15% x $900)= $900 - (0.15 x $900)= $900 - $135= $765
15% of 900 = 15% * 900 = 0.15 * 900 = 135
900 - 135 = 765
135% of 900= 135% * 900= 1.35 * 900= 1,215