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OpenStudy (shelby1290):
In the formula s=w-10e/t, s is the speed in words per minute, w is the number of words typed, e is the number of errors and t is the time in minutes. a) show that the formula solved for e is e=w-st/10 b) A person has a speed of 72 words per minute having typed 500 words in 5 minutes and made some errors. How many errors were made?
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