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?
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?
1 answer