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During a company's first full year in business, the price of oil increased 50%. In the second year of business, the price of oil went down 40% from its price at the beginning of that year. Its price at the end of the second year is what percent of its price at the beginning of the first year?

 Nov 14, 2020
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x = original price

   increase 50 %  =     1.5 x

      now decrease 40%  (there will be 60% left)          .6(1.5x)= .9x         .9 is 90%  of original x

 Nov 14, 2020

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