Percent Word Problems

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

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

What is the percentage of yellow marbles if there are 42 yellow marbles out of 60 total marbles?

Back

70% (calculated as (42/60) x 100).

Front

If Phil missed 11 questions on an 88 question test, how do you find his grade?

Back

Subtract the missed questions from the total: 88 - 11 = 77. Then calculate the percentage: (77/88) x 100 = 87.5%.

Front

What percentage of seats are sold if 225 out of 250 seats are sold?

Back

90% (calculated as (225/250) x 100).

Front

How do you find the percentage of carpenters present if 29 out of 36 showed up?

Back

Calculate as (29/36) x 100, which is about 80.6%.

Front

If 18 out of 24 students passed a test, what percentage did not pass?

Back

25% (6 students did not pass, calculated as (6/24) x 100).

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means adjusting a number to one decimal place, based on the value of the hundredths place.

Front

What is the formula to convert a fraction to a percentage?

Back

Multiply the fraction by 100 to convert it to a percentage.

Front

If a store has a sale of 20% off, what does that mean?

Back

It means you pay 80% of the original price, as 20% is deducted from the total.