Change = 113 - 100 = increase of 13
Increase of 13 from 100 = 13/100 = increase of 0.13
Expressed as a percentage, multiply by 100: 13% increase.
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100*30/35 = 85.7142857... %
ANSWER: 24 percent% rate:= 120/500 * 100%= 0.24 * 100%= 24%
Whenever you see "what number" use a variable. I like to use the variable "a". First, change 5 percent to a decimal. Do this by taking the percent (5) and dividing it by 100. You will get 0.05. Set your problem up. Whenever you see "is" in a math problem think of an = sign. Whenever you see "of" in a math problem think of multiplying so, what number is 5 percent of 82, a = 0.05 x 82, a=4.1.
per, a out of ratio of, quotient of percent (divide by 100)
It is done by: (0.2-0.1)/0.1 times 100 = 100% change or increase