Percent's

1 / 7

# Percent's - PowerPoint PPT Presentation

Percent's. Alla Kiriena Zane. Vocabulary. Percent : A ratio whose denominator is 100 Proportion : A n equation starting that two ratios are equivalent. Decimal : a number written using the base ten place value system where a decimal point separates the ones’ and tenths’ digits.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about 'Percent's' - alyssa

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

### Percent's

Alla

Kiriena

Zane

Vocabulary
• Percent:A ratio whose denominator is 100
• Proportion:An equation starting that two ratios are equivalent.
• Decimal: a number written using the base ten place value system where a decimal point separates the ones’ and tenths’ digits.
• Percentequation: You can represent ‘a is p percent of b’ with the equation where a is part of the base b and p% is percent.
Sections of the chapter
• 9.1 Percent's and fractions
• 9.2 Using proportions
• 9.3 percent’s and decimals
• 9.4 the percent equation
• 9.5 Circle graphs
Understanding Percent’s
• The square has 16 out of 100 squares shaded. You can say that 16 percent of the squares are shaded.
• Numbers: you can write 16 percent 16/100 or as 16%.
• Algebra: you can write p percent as p/100 or as p%.
• SOLVINGPERCENTPROBLEMS: You can represent “ a is p of b “ with proportion a/b=P/100 where a is part of the base b and p% or p/100 is the percent.
Examples for doing percent's and fractions
• Common percent's that you should know. For EX: 48%= you move the decimal two spaces to the left and its going to equal the same thing only in decimal 0.48
• Example 1:your class has raised 80% of its goal of \$8000 for a trip to Washington, D.C. How much money has your class raised?
• Solve: a= p% b write percent equation.
• =80%x8000 substitute 80 for p and 8000 for b.
• =0.8x8000 write percent as a decimal.
• =6400 multiply.
where or what job uses percent's?
• Sales disturbers –They use percent's to mark clothes and other items.
• Insurance –They use percent's for discounts.
• Retailers- They use presents for mark ups and sales.
• Teachers – teachers use percent for grading and different documents.
Thank you for watching