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Envision Math 2.0: Grade 6, Volume 1

EM

Envision Math 2.0: Grade 6, Volume 1 View details

9. Use Patterns to Write and Solve Equations

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Exercise 16 Page 238

Substitute 3 and 4 for d in the equation.

d	0	1	2	3	4
t	5	10	15	20	25

Practice makes perfect

We want to use the given equation to complete the table. This means that we need to substitute 3 and 4 for d in the equation to get the value of the dependent variable t. Let's start with 3.

t=5d+5

d= 3

t=5( 3)+5

Multiply

t=15+5

Add terms

t= 20

In the same way, we calculate the value of t when d is 4. t=5( 4)+5 → t= 25 Finally, we complete the table.

d	0	1	2	3	4
t	5	10	15	20	25

Subchapter links

Do You Understand? p.236

Do You Know How? p.236

Practice & Problem Solving p.237-238

Assessment Practice p.238