<< Chapter < Page | Chapter >> Page > |
Among a group of business leaders, believe that poor math and science education in the U.S. will lead to higher unemployment rates.
Convert the percent to: ⓐ a fraction ⓑ a decimal
ⓐ | |
Write as a ratio with denominator 100. |
ⓑ | |
Change the fraction to a decimal by dividing the numerator by the denominator. |
Convert the percent to: ⓐ a fraction and ⓑ a decimal
Twitter's share of web traffic jumped when one celebrity tweeted live on air.
Convert the percent to: ⓐ a fraction andⓑ a decimal
The U.S. Census estimated that in of the population of Boston age or older have a bachelor's or higher degrees.
There are four suits of cards in a deck of cards—hearts, diamonds, clubs, and spades. The probability of randomly choosing a heart from a shuffled deck of cards is Convert the percent to:
ⓐ | |
Write as a ratio with denominator 100. | |
Simplify. |
ⓑ | |
Change the fraction to a decimal by dividing the numerator by the denominator. |
Convert the percent to: ⓐ a fraction, and ⓑ a decimal
The probability that it will rain Monday is
Convert the percent to: ⓐ a fraction, and ⓑ a decimal
The probability of getting heads three times when tossing a coin three times is
To convert a decimal to a percent , remember that percent means per hundred. If we change the decimal to a fraction whose denominator is it is easy to change that fraction to a percent.
Convert each decimal to a percent: ⓐ ⓑ
ⓐ | |
Write as a fraction. The denominator is 100. | |
Write this ratio as a percent. |
ⓑ | |
The denominator is 100. | |
Write this ratio as a percent. |
To convert a mixed number to a percent, we first write it as an improper fraction.
Convert each decimal to a percent: ⓐ ⓑ
ⓐ | |
Write as a fraction. | |
Write as an improper fraction. The denominator is 100. | |
Write this ratio as a percent. |
Notice that since the result is more than
ⓑ | |
Write as a fraction. The denominator is 1,000. | |
Divide the numerator and denominator by 10, so that the denominator is 100. | |
Write this ratio as a percent. |
Let's summarize the results from the previous examples in [link] so we can look for a pattern.
Decimal | Percent |
---|---|
Do you see the pattern? To convert a decimal to a percent, we move the decimal point two places to the right and then add the percent sign.
[link] uses the decimal numbers in [link] and shows visually to convert them to percents by moving the decimal point two places to the right and then writing the sign.
Notification Switch
Would you like to follow the 'Prealgebra' conversation and receive update notifications?