Prep Percent 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 convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign (%).

Front

Convert 0.75 to a percent.

Back

75%.

Front

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

Back

Percent of a number = (Part/Whole) x 100.

Front

If 20 out of 50 students passed a test, what percent passed?

Back

40%.

Front

How do you find the part when given the percent and the whole?

Back

Part = (Percent/100) x Whole.

Front

What is 15% of $200?

Back

$30.

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

$30.

Front

What does it mean if a value increases by 10%?

Back

It means the new value is 110% of the original value.

Front

How do you calculate the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) x 100.