Answer
Makes sense.
Work Step by Step
When we add the change to the opening price, we get the closing price.
So yes, subtracting the change from the closing price,
gives us the opening price.
Makes sense.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.6 - Subtraction of Real Numbers - Exercise Set - Page 73: 117
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