Question 1064596: Marsha bowled 143 and 168 in her first two games. What must she bowl in the third game to have an average of at least 156 for the three games?
or better
Thanh has scores of 53, 82, 64, and 72 on his first four math exams. What score must he make on the fifth exam to have an average of 70 or better for the five exams?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Marsha bowled 143 and 168 in her first two games. What must she bowl in the third game to have an average of at least 156 for the three games?
or better
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(143 + 168 + Score)/3 >= 3*156
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Thanh has scores of 53, 82, 64, and 72 on his first four math exams. What score must he make on the fifth exam to have an average of 70 or better for the five exams?
Same problem, different numbers.
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