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Tamiku [17]
3 years ago
5

The library surveyed 240 people about their favorite movie. If 15% people chose documentaries, how many people chose documentari

es
Mathematics
2 answers:
prohojiy [21]3 years ago
5 0
36 people chose documentaries 
scoundrel [369]3 years ago
4 0
If the library surveyed 240 people and only 15% chose documentaries, then only 36 people chose documentaries and the other 204 chose something else other than documentaries. You had to get 15% into decimal form and to do that you move the "." in 15.0% left 2 places so you get 0.15. Then you multiply 240 by 0.15 and you get 36. 
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Answer:

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6x = 5y ( divide both sides by 6 )

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Then

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= \frac{\frac{25}{6}y+6y }{\frac{25}{6}y-6y }

= \frac{\frac{61}{6}y }{-\frac{11}{6}y }

= \frac{\frac{61}{6} }{-\frac{11}{6} }

= \frac{61}{6} × - \frac{6}{11}

= - \frac{61}{11}

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