Percent Increase/Decrease

  1.  A store reduces its stock of 150 comic books by 20%. How many comic books do they keep in stock after the reduction?
  2. A shirt that sells for \$39.95 is on sale for 15% off.  How much is the discount?
  3. A shirt that sells for \$39.95 is on sale for 15% off.   How much does the discounted shirt cost?
  4. Ms. Chin usually gives her students tests with 75 questions.  The week before winter break she decides to be kind and take 12% of the questions off of the test.  How many questions were on the test that the kids took before winter break?
  5. Ms. Chin usually gives her students tests with 75 questions.  The week before winter break she decides to be kind and take 12% of the questions off of the test.  How many questions did she remove from the test?
  6. Sunny decided that the students weren't working hard enough.  He decided to increase everyone's work by 35%. If Imani had 40 math problems to do, how many total math questions did Sunny make her do on the day she was not working hard enough?

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