Mathematics, 11.07.2019 03:30 royalkk
Zachary has 25 country music cds which are 1/5 of his cd collection. how many cds does zachary have?
Answers: 1
![\bf \begin{array}{ccll} CDs&fraction\\ \cline{1-2} 25&\frac{1}{5}\\[0.8em] x&\frac{5}{5} \end{array}\implies \cfrac{25}{x}=\cfrac{~~\frac{1}{5}~~}{\frac{5}{5}}\implies \cfrac{25}{x}=\cfrac{~~\frac{1}{5}~~}{1}\implies \cfrac{25}{x}=\cfrac{1}{5} \\\\\\ \cfrac{25\cdot 5}{1}=x\implies 125=x](/tpl/images/0075/6252/1b3b3.png)
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Zachary has 25 country music cds which are 1/5 of his cd collection. how many cds does zachary have?...
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