That cannot be answered without more detail. What kind of class are you talking about? Where do these instances occur? Generally speaking, you find out the number of something by counting it.
To find 20 percent of a number, multiply the number by 0.2. In this instance, 0.2 x 1670 = 334.
To find 85 percent of a number, multiply the number by 0.85. In this instance, 260 x 0.85 = 221.
To find 65 percent of a number, multiply the number by 0.65. In this instance, 380 x 0.65 = 247.
To find six percent of a number, multiply the number by 0.06. In this instance, 800 x 0.06 = 48.
To find 10 percent of a number, multiply the number by 0.1. In this instance, 0.1 x 400000000 = 40000000.
To find out what percentage of a number a certain number is, divide it by x/100. In this instance, 63 / (70/100) = 90.This is the opposite of what you would do if you were given the total, and told to find a certain percentage.
class
yes
To find 150 percent of a number, multiply the number by 1.5. In this instance, 80 x 1.5 = 120.
To find 53 percent of a number, multiply the number by 0.53. In this instance, 470 x 0.53 = 249.1.
To find six percent of a number, multiply the number by 0.06. In this instance, 800 x 0.06 = 48.
To find 80 percent of a number, multiply the number by 0.8. In this instance, 0.8 x 85 = 68. Therefore, 80 percent of 85 is equal to 68.
Wealthy Class.
The roll number is on your admit card.
To find 9 percent of a number, multiply the number by 0.09. In this instance, 0.09 x 123.35 = 11.1015.
To find 8.9 percent of a number, multiply the number by 0.089. In this instance, 7244 x 0.089 = 644.716.
To find 85 percent of a number, multiply the number by 0.85. In this instance, 0.85 x 350.00 = 297.5.