Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Entry Level Assessment - Multiple Choice - Page XXXVI: 29


A) 2.5

Work Step by Step

In this problem, you must find two averages. The first one is for the original 8 games. $(65+58+72+74+82+67+75+71)\div8$ $564\div8$ $70.5$ You then must solve for the average of the original 8 games and a 93 point game. $(65+58+72+74+82+67+75+71+93)\div9$ $657\div9$ $73$ Finally, find the difference between the two averages. $73-70.5$ $2.5$
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