Typing course

Before taking a typing course, Terrence could type 39 words per minute. By the end of the course, he was able to type 68 words per minute.

Find the percent increase.

Correct result:

p =  74.4 %


p=683939100=74.4%p= \dfrac{ 68-39}{ 39 } \cdot 100 = 74.4 \%

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