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Envision Math 2.0: Grade 6, Volume 2

EM

Envision Math 2.0: Grade 6, Volume 2 View details

Review

Exercise 2 Page 380

Let p represent the percent that 3 is of 20. Write and solve a percent equation using p.

15 %

Practice makes perfect

Let p represent the percent that 3 is of 20.

number lines

We can write a percent equation using p. p* 20=3 We will solve this equation using the Division Property of Equality. Let's do it!

p* 20=3

Multiply

20p=3

.LHS /20.=.RHS /20.

20p/20=3/20

CancelCommonFac

Cancel out common factors

20p/20=3/20

Simplify quotient

p=3/20

Calculate quotient

p=0.15

Convert to percent

p=15 %

We have that 3 is 15 % of 20.

Subchapter links

Topic Essential Question p.377

Vocabulary Review p.377

Use Vocabulary in Writing p.377

1 Understand Percent p.378

2 Relate Fractions, Decimals, and Percents p.378

3 Represent Percents Greater Than 100 or Less Than 1 p.379

4 Estimate to Find Percent p.379

5 Find the Percent of a Number p.380

6 Find the Whole Given a Part and the Percent p.380