Percent of a Number

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What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 50% means 50 out of 100.

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How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

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What is 60% of 80?

Back

60% of 80 is 48. (Calculation: 80 * 0.60 = 48)

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If 3 out of 5 cars are black, what percent of the cars are black?

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60%. (Calculation: (3/5) * 100 = 60%)

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Caroline got 19 out of 25 questions correct. What percent did she answer correctly?

Back

76%. (Calculation: (19/25) * 100 = 76%)

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If there are 55 jellybeans and 40% are red, how many are red?

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22 jellybeans. (Calculation: 55 * 0.40 = 22)

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A student scored 80% on a test with 30 problems. How many problems did they answer correctly?

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24 problems. (Calculation: 30 * 0.80 = 24)

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If 75% of students are 60 inches or taller in a class of 20, how many are shorter than 60 inches?

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5 students. (Calculation: 25% of 20 = 5)

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What does it mean if a number is 25% of another number?

Back

It means that the first number is one-fourth of the second number. For example, 25% of 100 is 25.

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How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number (numerator) by the bottom number (denominator) and multiply by 100. For example, 1/4 = (1 ÷ 4) * 100 = 25%.