Percent Proportions

Front

What is a percent?

Back

A percent is a way to express 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 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 8 out of 10 people buy lunch, what percentage do not buy lunch?

Back

20% do not buy lunch.

Front

If 20% of a group of students like Takis and 60 students like Takis, how many students were surveyed?

Back

300 students were surveyed.

Front

What is the formula to find the percent of a number?

Back

The formula is: Percent = (Part/Whole) x 100.

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 multiply by 100.

Front

What is the percentage of 6 out of 16 students serving detention?

Back

37.5% of students are serving detention.

Front

How do you find the part when you know the percentage and the whole?

Back

To find the part, multiply the whole by the percentage (in decimal form). Formula: Part = Whole x (Percent/100).

Front

What is the percentage of 3 out of 27?

Back

11.11%.

Front

If a group eats 1.5% of a 1500-pound plate of spaghetti, how many pounds did they consume?

Back

They consumed 22.5 pounds.