29-09-2018
Mathematics

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red needs an average of at least 70 on his three history tests. he has already scored 85 and 60 on two tests. What is the minimum grade red needs on his third test

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29-09-2018

85+60=145
145/2=72.5
85+60+67.5=210
210/3=70

Answer: The lowest grade red can get and average a 70 is a 67.5

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