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Mrs.Rowan allotted 30 minutes at the beginning of class for her students to complete an exam. The last student took 42 minutes to complete the exam. What is Mrs. Rowan's percent error?
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Mrs.Rowan allotted 30 minutes at the beginning of class for her students to complete an exam. The last student took 42 minutes to complete the exam. What is Mrs. Rowan's percent error?

User Nam San
by
5.0k points

1 Answer

4 votes

Answer:

28.6%

Explanation:

|42 − 30| / 42 × 100% = 28.6%

User Don Bottstein
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5.1k points
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