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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

7. Solving Proportions

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Exercise 1 Page 127

You can solve for the variable by using the Cross Products Property.

4.8

Practice makes perfect

To solve the proportion, we will start by using the Cross Products Property.

b/6=4/5

Cross multiply

5b=6(4)

Multiply

5b=24

From here, we will continue solving for b by using the Properties of Equality.

5b=24

.LHS /5.=.RHS /5.

b=24/5

Calculate quotient

b=4.8

Subchapter links

Lesson Check p.127

Practice and Problem-Solving Exercises p.127-129

Standardized Test Prep p.129

Mixed Review p.129