Question

Question 1(Multiple Choice Worth 5 points)

Answer 1

Well, to cover the whole bridge, is 6/6, or 1 whole

so hmmm   $\bf \begin{array}{ccllll} concrete&bridge\\ \textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\ \frac{4}{5}&\frac{5}{6}\\\\ x&\frac{6}{6} \end{array}\implies \cfrac{\frac{4}{5}}{x}=\cfrac{\frac{5}{6}}{\frac{6}{6}}\implies \cfrac{\frac{4}{5}}{\frac{x}{1}}=\cfrac{\frac{5}{6}}{\frac{6}{6}}$

$\bf \cfrac{4}{5}\cdot \cfrac{1}{x}=\cfrac{5}{6}\cdot \cfrac{6}{6}\implies \cfrac{4}{5x}=\cfrac{5}{6}\implies 4\cdot 6=5\cdot 5x\implies 24=25x \\\\\\ \boxed{\cfrac{24}{25}}=x$

Answer 2

Answer:

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Step-by-step explanation: