Two test scores are 62 and 48. What is the least third whole-number score, out of 100, for an average of at least 60?
A80
B70
C65
D60
Answer & Solution
Correct answer: B. 70
With third score x, (62+48+x)/3≥60 gives 110+x≥180, so x≥70. The minimum whole-number score is 70.
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