ENGINEERING ECONOMIC ENHANCED EBOOK
ENGINEERING ECONOMIC ENHANCED EBOOK
14th Edition
ISBN: 9780190931940
Author: NEWNAN
Publisher: OXF
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Chapter 9, Problem 78P
To determine

To calculate:The useful life of solar system to make it equivalent expensive to electrical water heater system

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not use ai please
subject to X1 X2 Maximize dollars of interest earned = 0.07X1+0.11X2+0.19X3+0.15X4 ≤ 1,000,000 <2,500,000 X3 ≤ 1,500,000 X4 ≤ 1,800,000 X3 + XA ≥ 0.55 (X1+X2+X3+X4) X1 ≥ 0.15 (X1+X2+X3+X4) X1 + X2 X3 + XA < 5,000,000 X1, X2, X3, X4 ≥ 0
not use ai

Chapter 9 Solutions

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