To find 70 percent of a number, we multiply the number by 70/100 or 0.7. As per the question, we want to find 70 percent of 20. Therefore, 70 percent of 20 is 14.
How Do We Find Percentage? The percentage can be found by dividing the value by the total value and then multiplying the result by 100. The formula used to calculate the percentage is: (value/total value)×100%.
First, you need to calculate your grade in percentages. The total answers count 70 - it's 100%, so we to get a 1% value, divide 70 by 100 to get 0.70. Next, calculate the percentage of 20: divide 20 by 1% value (0.70), and you get 28.57% - it's your percentage grade.
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