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The students in a first-grade class were all asked to time how long (in seconds) they could hold their breath. The resultswere tallied and are presented in the following histogram.How many of those students held their breath greater than 12.5 and less than 15.5 seconds?

The Students In A Firstgrade Class Were All Asked To Time How Long In Seconds They Could Hold Their Breath The Resultswere Tallied And Are Presented In The Foll class=

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ANSWER:

13 students

STEP-BY-STEP EXPLANATION:

To find the answer we must add the number of students between the values 12.5 and 15.5, just like this:

[tex]\begin{gathered} 12.5-13.5=2\text{ students} \\ 13.5-14.5=5\text{ students} \\ 15.5-15.5=6\text{ students} \\ \text{Total}=\text{ }12.5-15.5=2+5+6=\text{ 13 students} \end{gathered}[/tex]

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