The value of the hats bought by John, Stacey, and Jim are $8 per hat. This shows a proportional relationship.
<h3>What is a proportional relationship?</h3>
It should be noted that a proportional relationship is one where it van be expressed as y = kx.
In this case, John bought 3 for $24.00. This will be:
= $24 / 3
= $8 per hat
Stacey bought 5 for $40.00. This will be:
= $40 / 5
= $8 per hat
Jim bought 2 for $16.00. This will be:
= $16/2
= $8 per hat
Therefore, it's a proportional relationship.
Learn more about proportional relationship on:
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So we know that 1/5=0.2
Then we take 5/5=1.0
Then we solve 2*1.0=2.0
Now we solve 1/5+1/5+1/5 or 1/5*3=0.6
So then the correct answer is 2.6
Hope this helps!!!
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Answer:
observational study
Step-by-step explanation:
This situation calls for an observational study. Unfortunately, cardiovascular health is difficult to measure unless one defines some "health scale" so that health could be roughly quantitized.

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