Compact fluorescent tubes cost $15 each and have an estimated life span of 8,000 hours. These tubes consume 20 W of power, but produce illumination equivalent to that of 75 W incandescent bulbs. These cost $3.75 each and have an estimated life span of 1,200 hours. If a home has, on average, six 75W incandescent bulbs on constantly and energy costs $0.2875 per kilowatt-hour, how much money will a consumer save each year by installing fluorescent tubes instead?

Compact fluorescent tubes cost $15 each and have an estimated life span of 8,000 hours. These tubes consume 20 W of power, but produce illumination equivalent to that of 75 W incandescent bulbs. These cost $3.75 each and have an estimated life span of 1,200 hours. If a home has, on average, six 75W incandescent bulbs on constantly and energy costs $0.2875 per kilowatt-hour, how much money will a consumer save each year by installing fluorescent tubes instead?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Compact fluorescent tubes cost $15 each and have an estimated life span of
8,000 hours. These tubes consume 20 W of power, but produce illumination
equivalent to that of 75 W incandescent bulbs. These cost $3.75 each and
have an estimated life span of 1,200 hours. If a home has, on average, six
75W incandescent bulbs on constantly and energy costs $0.2875 per
kilowatt-hour, how much money will a consumer save each year by installing
fluorescent tubes instead?

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