Engineering Economy (17th Edition)
Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Chapter 8, Problem 29P
To determine

Calculate the time period.

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A company selling widgets has found that the number of items sold, x, depends upon the price, p at which 80000 they're sold, according the equation z : (0.6p + 1)? Due to inflation and increasing health benefit costs, the company has been increasing the price by $0.04 per month. Find the rate at which revenue is changing when the company is selling widgets at $7 each. Revenue is decreasing by dollars per month Hint: Give your answer as a positive value.
Suppose y = 4w7/(x5z3). Suppose that w increases 5%, x increases 1% , and z increases 1% . By what percent should y increase? Your answer should be an integer with a % sign assumed to follow (e.g., if you wish to say 48 percent, write 48). The percent increase in y should be approximately.
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