Is the value of each expression closer to 1/2, 1, or 11/2?
20 \div 18 __________
9 \div 20 __________
7 \div 5 __________
5.2: More Treadmills
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.
1 point
1
Question 2
2.
What is the same about the workouts done by:
Tyler and Kiran?
Kiran and Mai?
Mai and Tyler?
1 point
1
Question 3
3.
At what rate did each of them run?
1 point
1
Question 4
4.
How far did Mai run in her first 30 minutes on the treadmill?
Are you ready for more?
1 point
1
Question 5
5.
Tyler and Kiran each started running at a constant speed at the same time. Tyler ran 4,200 meters in 30 minutes and Kiran ran 6,300 meters in 1/2 hour. Eventually, Kiran ran 1 kilometer more than Tyler. How much time did it take for this to happen?
5.3: The Best Deal on Beans
Four different stores posted ads about special sales on 15-oz cans of baked beans.
1 point
1
Question 6
6.
Which store is offering the best deal? Explain your reasoning.
1 point
1
Question 7
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?