Algebra 1

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

Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Practice and Problem-Solving Exercises: 82

Answer

A) $30+10a$

Work Step by Step

Since all 3 throws wrap around some bar, at least 10 points are scored for each throw, for a total of 30. An additional 10 points are scored for those throws that wrapped around the blue bar. Since a represents the number of throws that wrapped around the blue bar, an additional 10a points are scored. The total points scored is given by the expression: $30 +10a$.
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