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Tom's online class requires 10 tests, and he needs to score 70 or higher to pass the class. He took 9 tests so far and his aver...Asked by Sam
Tom's online class requires 10 tests, and he needs to score 70 or higher to pass the class. He took 9 tests so far and his average is 68. What is the lowest score on the last test that will let him pass the course?
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Answered by
Steve
He has 9*68=612 points so far
He needs 10*70=700 points to achieve his desired average
So, haw many more points does he need?
He needs 10*70=700 points to achieve his desired average
So, haw many more points does he need?
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