jourdyno
26.12.2019 •
Mathematics
Need some on my hw! an explanation with steps on how to get the correct anwser would be nice.
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Ответ:
-16.471%
Step-by-step explanation:
Given that Ack took a test and got 13 out of 17 points. he took a make-up test and got 12 out of 15 points.
As such we cannot compare these marks as they are out of different numbers.
To make comparison easier, let us convert both scores into percentages
Points scored by Ack in I test =
%
Points scored in Make up test =
%
There is an increase of 16.471%over the make up test
Percent change (increase) = -16.471%
(None of the options given are right)