math
posted by lexis green .
It certainly pays to check your work! I just took a HUGE science test. I checked it over twice before I turned it in, and got an A! My score was 94 out of 100! I figure that each time I checked it, I found half of the mistakes that were there at the time.
What would my score have been if I had not checked my work?
What would my score have been if I had checked a third time?
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