Jim has gotten scores of 78 and 69 on his first two tests. What score must he get on his third test to 26) keep an average of 70 or greater?
Jim has gotten scores of 78 and 69 on his first two tests. What score must he get on his third test to 26) keep an average of 70 or greater?
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 8ECP: In how many different ways can two letters be chosen from the letters A, B, C, D, E, F, and G? (The...
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26) Jim has gotten scores of 78 and 69 on his first two tests. What score must he get on his third test to 26) keep an average of 70 or greater?
A) At least 72.3 B) At least 73.5 C) At least 63 D) At least 62
answer is C
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