# SOLUTION: story problem "yuck" The cost of a computer decreases from \$2500 to \$1200 after 3 months. find the percent decrease. I got 0.2% but that is not correct. Please help.

Algebra ->  Algebra  -> Proportions -> SOLUTION: story problem "yuck" The cost of a computer decreases from \$2500 to \$1200 after 3 months. find the percent decrease. I got 0.2% but that is not correct. Please help.      Log On

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 Click here to see ALL problems on Proportions Question 26679: story problem "yuck" The cost of a computer decreases from \$2500 to \$1200 after 3 months. find the percent decrease. I got 0.2% but that is not correct. Please help.Answer by fractalier(2101)   (Show Source): You can put this solution on YOUR website!Percentage decrease = (new - old) / old times 100% so we get % Decr = (1200 - 2500) / 2500 x 100% % Decr = -1300 / 2500 x 100% % Decrease = -52% or a 52% decrease in cost