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The ratio of the price of a used washer to a new one is 1:3. If the new washer cost $720 how much could you resell it used?

Respuesta :

[tex]\bf \begin{array}{ccllll} used&new\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 1&3\\ u&720 \end{array}\implies \cfrac{1}{u}=\cfrac{3}{720}\implies \cfrac{720\cdot 1}{3}=u[/tex]
backseatdog
Ratio of used to new is 1:3,

So in other words, the value of a used washer is 1/3 of the value of a new washer.

So you can resell a used washer for:  $720/3 =  $240.
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