3 years ago

What’s the correct answer

Mathematics

1 answer:

Trava [24]3 years ago

6 0

I think it’s B but I’m not sure

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Rolling an even<br> number and the<br> coin landing on<br> heads

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Step-by-step explanation:

Rolling a even: $\frac{3}{6} -> \frac{1}{2}$

Coin on heads: $\frac{1}{2}$

$\frac{1}{2}$ × $\frac{1}{2} =\frac{1}{4}$

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3 years ago

Kelly watches 3/5 of a movie in 5/8 of an hour. How much time wil it take her to watch the entire movie?

iVinArrow [24]

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$\begin{array}{ccll} \stackrel{movie}{fraction}&hour\\ \cline{1-2} \frac{3}{5}&\frac{5}{8}\\[1em] \underset{whole}{1}&x \end{array}\implies \cfrac{~~ \frac{3}{5}~~}{1}=\cfrac{~~ \frac{5}{8}~~}{x}\implies \cfrac{3}{5}x=\cfrac{5}{8}\implies \cfrac{3x}{5}=\cfrac{5}{8} \\\\\\ 24x=25\implies x = \cfrac{25}{24}\implies x = 1\frac{1}{24}\qquad \textit{1 hour, 2 minutes and 30 seconds}$

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