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Mathematics 21 Online
OpenStudy (anonymous):

Sally estimated that her call would take 12 minutes but it actually took 10 minutes. What was her percent of error?

OpenStudy (anonymous):

12-10/12

OpenStudy (anonymous):

time 100

OpenStudy (anonymous):

16.6?

OpenStudy (anonymous):

percent, yes.

OpenStudy (anonymous):

Okay thank you

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