There were 12 pupils in a Grade 6 class who failed in the first quarterly test. In the last quarterly test, only 5 failed. What is the percent of decrease in failure?
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I hope someone could answer my question correctly.
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Answer:
Divide 5 by 12 and th result is 0.4166666667.
Change it to percent and you will have 41.67% who failed in the first quarterly test.