This months commodity index decreased by one-twelfth of last months index to 176. What was last months

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This month’s commodity index decreased by one-twelfth of last month’s index to 176. What was last month’s index?
For this problem, set up an equation in one unknown and solve.
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Contemporary Business Mathematics with Canadian Applications

ISBN: 978-0133052312

10th edition

Authors: S. A. Hummelbrunner, Kelly Halliday, K. Suzanne Coombs

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