5.5 Percents

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 15% becomes 0.15.

Front

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

Back

The formula to find the percent of a number is: (Part/Whole) x 100.

Front

If Henry has mowed 15 lawns out of 60, what percent of the lawns has he mowed?

Back

25%.

Front

How do you write a percent as a fraction?

Back

To write a percent as a fraction, place the number before the percent symbol over 100. For example, 25% = 25/100.

Front

In a class of 30 kids, if 3 forgot to get their report cards signed, what percent is that?

Back

10%.

Front

Convert 15.7% to a decimal.

Back

0.157.

Front

What percent is represented by a 10 x 10 grid if 6 squares are shaded?

Back

60%.

Front

What does it mean if a number is 50% of another number?

Back

It means that the number is half of the other number.

Front

How do you find the percent increase from 50 to 75?

Back

Percent Increase = ((New Value - Old Value) / Old Value) x 100 = ((75 - 50) / 50) x 100 = 50%.