Answer
The three scores are 86, 88, and 90.
Work Step by Step
Let x represent the first score:
$x+(x+2)+(x+2+2)=264$
$3x+6=264$
$3x=358$
$x=86$
The three scores are 86, 88, and 90.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 3 - Review - Page 195: 19
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