SOLUTION: Cynthia and Julian have practiced solving inequalities, one of them made a mistake. find out which one made a mistake, and explain where the mistake was made. Cynthia

Question 1171523: Cynthia and Julian have practiced solving inequalities, one of them made a mistake. find out which one made a mistake, and explain where the mistake was made.
Cynthia Julian
n n
_ - 11 > -20 _ + 16 < 15
5 13

n n
_ > -31 _ < -1
5 13
n > -155 n < -13

Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!

Cynthia's work is incorrect. When she added 11 to each side of the original inequality, she did the computation on the right incorrectly.

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