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Tires R Us is having a -off sale. Find the savings on a tire that regularly costs .  

Your percent ruler might look something like this:

A rectangle, divided into 10 equal squares, left end, labeled on top, 0%, on bottom, $0. Right end, labeled on top, 100%, and $45 on bottom. Above and between the third and fourth square, is 30%.

Using the Math Notes as a reference, can you scale the rest of the ruler in order to find the equivalent in dollars? It may help to first find the value of .

of is . Remember to show your work!