Percent Word Problems

Front

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, 30% means 30 out of 100.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 30% of 200, calculate 200 x 0.30 = 60.

Front

What does it mean to find 20% of a total?

Back

Finding 20% of a total means calculating one-fifth of that total. For example, 20% of 100 is 20.

Front

If Sarah earns $20 a day and spends 30% of it, how much does she spend?

Back

Sarah spends $6.

Front

What is the formula to find the total when given a part and a percentage?

Back

The formula is: Total = Part / (Percentage in decimal form). For example, if 24 is 75% of the total, then Total = 24 / 0.75 = 32.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% becomes 0.25.

Front

What is 25% of 32 games?

Back

25% of 32 games is 8 games.

Front

How do you find the percentage of a group?

Back

To find the percentage of a group, divide the number of items in the group by the total number of items and multiply by 100. For example, if there are 72 men in a race of 360 runners, the percentage of men is (72/360) x 100 = 20%.

Front

If 360 runners are in a race and 20% are men, how many men are there?

Back

There are 72 men in the race.

Front

What does it mean to say a student scored 80% on a test?

Back

It means the student answered 80% of the questions correctly. For example, if there are 30 questions, the student answered 24 correctly.