Asked by Sara

Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?
Answered by Ms. Sue
Was the pretest score 6% (6 out of 100)?

Answered by Sara
No my teacher said he thought it was like 6 out of 20
Answered by Ms. Sue
50% * 6 = 3

6 + 3 = 9

Answered by Sara
Ohhhh ok I get it now.....so if you had a percent of decrease problem you would to the same thing but divide right?
Answered by Ms. Sue
No, you'd still multiply, but subtract 3 from 6. A decrease of 50% would be 3.

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