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 '%'.

Front

How do you calculate the percentage of a part compared to a whole?

Back

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

Front

If 15 students passed a test and this represents 75% of the class, how do you find the total number of students?

Back

To find the total, divide the number of students who passed (15) by the percentage (0.75). Total = 15 / 0.75 = 20 students.

Front

What is the formula to find the percentage of girls in a class?

Back

Percentage of girls = (Number of girls / Total number of students) x 100.

Front

If there are 234 empty seats and 366 occupied seats on a train, how do you find the percentage of empty seats?

Back

Total seats = 234 + 366 = 600. Percentage of empty seats = (234 / 600) x 100 = 39%.

Front

How do you calculate how many students preferred pizza if 60% of 40 students chose it?

Back

Number of students who preferred pizza = 60% of 40 = (60/100) x 40 = 24 students.

Front

What percent grade did Shirley get if she spelled 12 out of 15 words correctly?

Back

Percent grade = (12 / 15) x 100 = 80%.

Front

What does it mean if a student scored 70% on a test?

Back

It means the student answered 70 out of every 100 questions correctly.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is the relationship between percentages, fractions, and decimals?

Back

Percentages are fractions with a denominator of 100, and they can also be expressed as decimals by dividing by 100.