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, 50% means 50 out of 100.

Front

How do you calculate the percent of a quantity?

Back

To calculate the percent of a quantity, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

What does it mean if 40% of a group completed a task?

Back

It means that 40 out of every 100 members of the group completed the task.

Front

If 60% of a class passed an exam, how do you find the number of students who passed?

Back

Multiply the total number of students by 0.60 (60%). For example, if there are 30 students, then 30 x 0.60 = 18 students passed.

Front

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

Back

Total = Part / (Percent/100). For example, if 30 is 60% of a total, then Total = 30 / (60/100) = 50.

Front

If 12 out of 30 cars finished a race, what percent finished?

Back

(12/30) x 100 = 40%. So, 40% of the cars finished the race.

Front

How do you find the number of items when given a percent and the total?

Back

Multiply the total by the percent (as a decimal). For example, if the total is 70 and you want to find 60%, calculate 70 x 0.60 = 42.

Front

What does it mean if 15% of dog owners own a specific breed?

Back

It means that out of every 100 dog owners, 15 own that specific breed.

Front

If a pitcher won 80% of the games he played, how do you find the number of games won?

Back

Multiply the total games played by 0.80. For example, if he played 10 games, then 10 x 0.80 = 8 games won.

Front

How do you calculate the number of red jellybeans if 40% are red and there are 55 jellybeans?

Back

Calculate 40% of 55: 55 x 0.40 = 22 red jellybeans.