Solve. Round to the nearest tenth if necessary.Before taking a typing course, Clete could type 10 words per minute. By the end of the course, he was able to type 47 words per minute. What was the percent increase?
A. 370%
B. 78.7%
C. 82.5%
D. 21.3%
Answer: A
Mathematics
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A.
B.
C.
D.
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