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2 years ago

5

The library surveyed 240 about their favorite type of movie. If 15% of the people chose documentaries, how many people chose doc

umentaries?
Please help me with this.

1 answer:

Setler [38]2 years ago

5 0

Answer:

36 people

Step-by-step explanation:

240 x 0.15 = 36

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$\bf ~\hspace{7em}\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
~\hspace{4.5em}
a^n\implies \cfrac{1}{a^{-n}}
~\hspace{4.5em}
\cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
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3 years ago

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3 years ago