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trasher [3.6K]
3 years ago
6

The rectangle of x's below is 5/3 of another (original) rectangle of x's

Mathematics
1 answer:
laila [671]3 years ago
3 0
There are 10 rows of 3 colums of "x"'s, so.. 3x10 or 30 "x"s, and we know that's 5/3 of the original... the original will be one whole or 3/3 or 1

thus    \bf \begin{array}{ccllll}
size&x's\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
\frac{5}{3}&30\\\\
\frac{3}{3}&x
\end{array}\implies \cfrac{\frac{5}{3}}{\frac{3}{3}}=\cfrac{30}{x}
\implies
\cfrac{5}{3}=\cfrac{30}{x}

solve for "x"
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