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Transcript of Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per...
![Page 1: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/1.jpg)
![Page 2: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/2.jpg)
Percent is a ratio that compares a number to 100
The symbol for percent is %
Percent means “per hundred”
So, is 17% 17100
![Page 3: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/3.jpg)
40 % Means40 parts out of 100or40hundredths
![Page 4: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/4.jpg)
Percents Have Equivalents in Decimals and Fractions
20% .20 20 100
15
== =
PercentDecimalFractionSimplifiedFraction
![Page 5: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/5.jpg)
Find the percent of a Whole Number?
Remember“of” means multiply
of x=
![Page 6: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/6.jpg)
Step1
When you see a percent problem, you know when you read “of” in the problem you multiply.
15% 100ofx
![Page 7: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/7.jpg)
Step2Change your percent to a decimaland then move the decimal point
two places to the left.
15%x 100. .
![Page 8: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/8.jpg)
Step3Multiply just like a regular decimal
multiplication problem
100x.150005
001+0051
![Page 9: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/9.jpg)
Step 4
100x.150005
001+0051 ..
Place the decimal point 2 places to the left in your answer.
15Answer:
![Page 10: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/10.jpg)
Practice
25% of 300x..300x.25
00510006+
0057
![Page 11: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/11.jpg)
Move the decimal point 2 places to the left in your answer.
300x.25
00510006+
0057 .. Answer:75
![Page 12: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/12.jpg)
You can also find the percent of a number by writing the percent as
a fraction and multiplying
25%of 401.Change the percent to a fraction
25100
=÷÷
2525
14
![Page 13: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/13.jpg)
x 40
x 40 11
10
1 x 101 x 1
= 10 1
14
14
10
![Page 14: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/14.jpg)
Practice
75%of 80
1.
75100
Simplify
÷÷
=2525
34
2. Multiply
34
x 80 11
20
3 x 201 x 1
==
601
= 60
![Page 15: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/15.jpg)
Changing percents to fractionsTo express a percent as a fraction, write a fraction with a denominator of
100•Remember – a percent is a number “out of 100.”
65% = 65100
65100
÷÷
55
= 1320
![Page 16: Percent is a ratio that compares a number to 100 The symbol for percent is % Percent means “per hundred” So, is 17% 17 100.](https://reader035.fdocuments.net/reader035/viewer/2022062321/56649dbf5503460f94ab4039/html5/thumbnails/16.jpg)
Changing fractions to percentsTo express a fraction as
a percent, write a fraction with a
denominator of 100•Remember – a percent is a number “out of 100.”
14
= 14 x
x2525
=
25100
= 25%
25100