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Marks $120 bike cost only $80 two years ago. The price of $120 is what percent increase over the previous price of $80?
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Marks $120 bike cost only $80 two years ago. The price of $120 is what percent increase over the previous price of $80?

User Kiseok
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use ratio and proportion 80/120=x/100 cross multiply x= 66 2/3 percent
User Shturm
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