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oo thats on my science worksheet too. I can't find it anywhere. ugghh
A percent is a number relative to 100. Therefore, we want the number 100 in the ratio. In order to do that, we need to multiply BOTH numbers in the ratio by a number so that the second number of the new ratio is equal to 100. The first number of the new ratio is the percent. For example: 4:5 = [4*20]:[5*20] = 80:100 = 80%
A percent is a ratio whose denominator is 100. I know this because I am a math teacher'part of a hundred'
Percent means out of 100 → 3 percent of 100 g = 3/100 × 100 g = 3 g
20/100 x 100 = 20 percent