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04-06-2019
Mathematics

contestada

Kim increased her typing speed from 56 to
63 words per minute. What was the percent
of increase in her typing speed?
A. 7%
B. 11.1%
C. 12.5%
D. 17%

Respuesta :

szimbitskyy szimbitskyy

04-06-2019

Answer: The answer is C. 12.5%

Step-by-step explanation: To find the person of increase you first got to find the amount of increase. From 56 to 63 there was 7 amount of increase. No we compare 7 to the original or whole to find the increase but in percent.

Increase: 7

Percent of increase: 7/56 = .125 = 12.5%

The before original: 56

The after: 63

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