SOLUTION: Several years ago,a desk sold for $120. Now the same desk sells for $150. What is the percent of increase in the price?

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Question 1000747: Several years ago,a desk sold for $120. Now the same desk sells for $150. What is the percent of increase in the price?
Found 2 solutions by fractalier, josmiceli:
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
The percent of increase is
(NEW - OLD)/OLD = (150-120)/120 = 30/120 = .25 = 25%

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The difference in the prices is:
+150+-+120+=+30+
The FRACTION of the increase is:
+30%2F120+=+1%2F4+
The PER CENT of the increase is:
+%281%2F4%29%2A100+=+25+
25%