SOLUTION: Find the discount rate on a $20 watch that regularly sells for $25

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Question 356954: Find the discount rate on a $20 watch that regularly sells for $25
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
25-25x+=+20,
25%281-x%29+=+20,
1-x+=+0.8,
x+=+0.2.
Therefore the discount rate is 20%.