Ch 2.7 Percent Word Problems

1 / 7

# Ch 2.7 Percent Word Problems - PowerPoint PPT Presentation

Ch 2.7 Percent Word Problems. Objective: To translate word problems involving percent and solve the resulting equation. Rules. 1) TRANSLATE each word into Math symbols 2) Use Inverse operations to solve the equation. Translations. what : variable (n) is : equals (=)

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## PowerPoint Slideshow about 'Ch 2.7 Percent Word Problems' - bryga

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Presentation Transcript

### Ch 2.7Percent Word Problems

Objective:

To translate word problems involving percent and solve the resulting equation.

Rules

1) TRANSLATE each word into Math symbols

2) Use Inverse operations to solve the equation

Translations

what: variable (n)

is: equals (=)

percent: divided by (÷) 100

of: multiply ()

Example 1

What number is 54% of 200?

54

100

200

n

=

n = 108

Example 2

112% of 650 is what number?

=

n

650

112

100

728 = n

Example 3

7% of what number is 31.5?

100

7

100

7

7

100

n

=

31.5

n = 450

Example 4

150 is 60% of what number?

=

n

100

60

100

60

60

150

100

250 = n

Example 5

What percent of 20 is 5 ?

n

%

20

=

5

÷100

=

n

20

5

100

20

100

20

100

n = 25

Classwork

1) What is 25% of 56?

2) 77 is 35% of what?

3) 22% of 157 is what?

4) What percent of 135 is 36 ?

Classwork

5) What is 85% of 59?

6) 179 is 98% of what?

7) 90% of 19 is what?

8) What percent of 200 is 135 ?
The text passage is a PowerPoint presentation on percent word problems, providing rules for translation, examples, and classwork exercises.
multiple_questions_with_answers
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
Ch 2.7 Percent Word Problems

1 / 7

# Ch 2.7 Percent Word Problems - PowerPoint PPT Presentation

Ch 2.7 Percent Word Problems. Objective: To translate word problems involving percent and solve the resulting equation. Rules. 1) TRANSLATE each word into Math symbols 2) Use Inverse operations to solve the equation. Translations. what : variable (n) is : equals (=)

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

## PowerPoint Slideshow about 'Ch 2.7 Percent Word Problems' - bryga

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

### Ch 2.7Percent Word Problems

Objective:

To translate word problems involving percent and solve the resulting equation.

Rules

1) TRANSLATE each word into Math symbols

2) Use Inverse operations to solve the equation

Translations

what: variable (n)

is: equals (=)

percent: divided by (÷) 100

of: multiply ()

Example 1

What number is 54% of 200?

54

100

200

n

=

n = 108

Example 2

112% of 650 is what number?

=

n

650

112

100

728 = n

Example 3

7% of what number is 31.5?

100

7

100

7

7

100

n

=

31.5

n = 450

Example 4

150 is 60% of what number?

=

n

100

60

100

60

60

150

100

250 = n

Example 5

What percent of 20 is 5 ?

n

%

20

=

5

÷100

=

n

20

5

100

20

100

20

100

n = 25

Classwork

1) What is 25% of 56?

2) 77 is 35% of what?

3) 22% of 157 is what?

4) What percent of 135 is 36 ?

Classwork

5) What is 85% of 59?

6) 179 is 98% of what?

7) 90% of 19 is what?

8) What percent of 200 is 135 ?
user
The text passage is a PowerPoint presentation on percent word problems, providing rules for translation, examples, and classwork exercises.

TYPE: MULTIPLE_QUESTIONS_WITH_ANSWERS