SOLUTION: In 1992 the cost of stamps went up $.15 to $.18. What is the percent increase?
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Question 170174: In 1992 the cost of stamps went up $.15 to $.18. What is the percent increase?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In 1992 the cost of stamps went up $.15 to $.18. What is the percent increase?
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Quantity Increase: 0.18 - 0.15 = 3 cents
Percent increase: 3/15 = 1/5 = 20%
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Cheers,
Stan H.
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