WEEK 13 Percent Word Problems

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form) and then divide by 100.

Front

What is the formula to find the percentage of a goal achieved?

Back

Percentage of goal achieved = (Actual amount / Goal amount) x 100.

Front

If a person eats 2400 calories and 36% comes from fat, how do you find the calories from fat?

Back

Calories from fat = Total calories x (Percentage of fat / 100). In this case, 2400 x (36/100) = 864 calories.

Front

How do you convert a fraction to a percentage?

Back

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

Front

What is the percentage of correct answers if a student answers 77 out of 88 questions correctly?

Back

Percentage = (Correct answers / Total questions) x 100 = (77 / 88) x 100 = 87.5%.

Front

How do you find what percent of a total a number represents?

Back

To find what percent a number represents of a total, use the formula: (Part / Whole) x 100.

Front

If a class collected 270 cans out of a goal of 300, how do you calculate the percent of the goal met?

Back

Percent of goal met = (270 / 300) x 100 = 90%.

Front

What is the formula to find the amount saved towards a goal?

Back

Amount saved = Goal amount x (Percentage saved / 100). For example, if the goal is $300 and 52% is saved, then Amount saved = 300 x (52/100) = $156.

Front

What does it mean if 81% of a crew shows up for work?

Back

It means that 81 out of every 100 members of the crew were present for work.