exam Maths Puzzle Numerical Ability

rate and percent problems:

1.) How many quarts of a 60% alcohol solution must be added to 40 quarts of a 20% alcohol solution to obtain a mixture whic is 20% alcohol? All percen

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exam Other Question

Can you help me in determining in what Quadrant does -25 pie / 8 terminate? Thank you very much! Sarah Mcguire Student need an average of 70 or more to receive credit for the course. She scored 82, 64, and 98 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course.