#### Answer

B

#### Work Step by Step

A bigger amount of the warmer water means that the equilibrium temperature will be closer to $30^{\circ}C$ than $20^{\circ}C$.
The reverse is true for C, and A would have the average temperature as the equilibrium.

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Published by
Cengage Learning

ISBN 10:
1133949649

ISBN 13:
978-1-13394-964-0

B

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