Answered

At the tri-county track meet Jada won the 100 meter race in 12 9/10 seconds. The runner up finished in 13 1/10 seconds how many seconds faster was Jada then the funner up?

Answer :

We have

[tex]\begin{gathered} 12\text{ }\frac{9}{10}\text{ = 12+}\frac{9}{10}\text{ = }\frac{120}{10}+\frac{9}{10}=\frac{129}{10} \\ 13\text{ }\frac{1}{10}=13+\frac{1}{10}=\frac{130}{10}+\frac{1}{10}=\frac{131}{10} \end{gathered}[/tex]

Then, the diference is

[tex]\frac{131}{10}-\frac{129}{10}=\frac{2}{10}=\frac{1}{5}[/tex]

So, Jada was 1/5 seconds faster than the second place.

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