Unit 3 Retest - Percents

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 percent of a number?

Back

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

Front

What is the formula to find what percent one number is of another?

Back

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

Front

If 17 is what percent of 68, how do you solve it?

Back

(17/68) x 100 = 25%.

Front

How do you find the number when given a percent of it?

Back

To find the number, divide the percent by 100 and then multiply by the total.

Front

What is 40% of 200?

Back

40% of 200 is 80.

Front

If 200 children attended a play and 40% were boys, how many girls attended?

Back

120 girls attended the play.

Front

What is 45% of 50?

Back

45% of 50 is 22.5.

Front

What is 20% of 80?

Back

20% of 80 is 16.

Front

If 10 stripes are painted and 3 are in color, what percent is in color?

Back

30% of the stripes are in color.