Answered

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Mr.Patterson, was the fastest teacher in the 5th grade, was able to complete 8 laps in 76 minutes . What is Mr. Patterson,s completion rate.(how many minutes does it take him to finish one lap)?

Sagot :

Mr Patterson could run 8 laps in 76 minutes, to determine how many minutes it takes him to finish one lap you can use cross multiplication:

8 laps ___ 76 minutes

1 lap ____ x minutes

Both relationships are at the same rate so that

[tex]\frac{76}{8}=\frac{x}{1}[/tex]

From this expression, we can determine the time it takes him to run one lap

[tex]\begin{gathered} x=\frac{76}{8} \\ x=9.5 \end{gathered}[/tex]

It takes Mr. Patterson 9.5minutes to run one lap.

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