marcchriz23 marcchriz23

18-03-2014
Mathematics

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A class survey showed 8 out of 25 students had plans to travel over spring break.how many student out of the 400 students in the entire school would you expect to be traveling over spring break?

Answer :

Аноним Аноним

18-03-2014

Divide 400 by 25. You get 16. Multiply 16 by 8. You get 128.

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18-03-2014

Use ratio and proportion:
[tex]\frac{8}{25}=\frac{x}{400}[/tex]

[tex]3200=25x[/tex]

[tex]\frac{3200}{25}=\frac{25x}{25}[/tex]

[tex]128=x[/tex]

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