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To earn an A in an algebra course, a student must have a test average of at least 90. Mary has grades of 95,
To earn an A in an algebra course, a student must have a test average of at least 90. Mary has grades of 95, 82, 88 on her first three algebra tests. What minimum score does Mary need to make on her fourth test to earn an A in her algebra course?
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Essential University Physics
Authors: Richard Wolfson
2nd Edition
0321706692, 978-0321706690
