Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - Standardized Test Preparation - Extended Response - Page 69: 21a

Answer

ERA = 2.61

Work Step by Step

ERA = 9 x earned runs ÷ innings pitched ERA = 9 x 66 ÷ 228 ERA = 2.61
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