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IM: 6.3.5: Comparing Speeds and Prices (Lesson)

Last updated over 1 year ago

7 Nsɛmmisa

5.1: Closest

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1.

Is the value of each expression closer to 1/2, 1, or 11/2?

20 \div 18
7 \div 5

5.3: The Best Deal on Beans

Some students did treadmill workouts, each one running at a constant speed. Answer the questions about their workouts. Explain or show your reasoning.

Tyler ran 4,200 meters in 30 minutes.
Kiran ran 6,300 meters in 1/2 hour.
Mai ran 6.3 kilometers in 45 minutes.

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2.

What is the same about the workouts done by:
Tyler and Kiran?
Kiran and Mai?
Mai and Tyler?

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3.

At what rate did each of them run?

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4.

How far did Mai run in her first 30 minutes on the treadmill?

Four different stores posted ads about special sales on 15-oz cans of baked beans.

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6.

Which store is offering the best deal? Explain your reasoning.

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7.

The last store listed is also selling 28-oz cans of baked beans for $1.40 each. How does that price compare to the other prices?