SOLUTION: There are 20 questions on the final exam. Ciarra needs to get 85% of the problems correct to maintain her A average. How many problems must Ciarra answer correctly on the final exa

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Question 711553: There are 20 questions on the final exam. Ciarra needs to get 85% of the problems correct to maintain her A average. How many problems must Ciarra answer correctly on the final exam?
Answer by vheroli(126) About Me  (Show Source):
You can put this solution on YOUR website!
Solution:
=20* 80%
=20* 0.85
=17