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Big Ideas Math: Modeling Real Life, Grade 7

BI

Big Ideas Math: Modeling Real Life, Grade 7 View details

3. Comparing Populations

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Exercise 3 Page 341

A unit rate is a rate that has been reduced to have a denominator of 1 unit.

30 kilometers in 1 hour

Practice makes perfect

A unit rate is a rate that has been reduced to have a denominator of 1 unit. Our rate is 60 kilometers in 2 hours. Let's write the rate as a fraction! 60km/2h To find the unit rate, we write an equivalent rate with a denominator of 1.

60/2

a/b=.a / 2./.b / 2.

60 ÷ 2/2 ÷ 2

Simplify quotient

30/1

The unit rate is 30 kilometers in 1 hour.

Subchapter links

Try It p.338-339

Self-Assessment for Concept & Skills p.339

Self-Assessment for Problem Solving p.340

Review & Refresh p.341

Concept, Skills, & Problem Solving p.341-342