SOLUTION: If a pencil cost 10-cents, then, the pencils increase to 25-cents each, what is the percent of increase for pencils...?

Question 1113295: If a pencil cost 10-cents, then, the pencils increase to 25-cents each, what is the percent of increase for pencils...?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Percent increase = (amount of increase)/(original price), multiplied by 100 to change the answer to a percent.

amount of increase: 25-10 = 15
original: 10

The increase in the cost was 150%.
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