Emily needs to purchase a new air conditioner for the office. Model 1600A costs $950 to purchase

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Emily needs to purchase a new air conditioner for the office. Model 1600A costs $950 to purchase and $32 per month to operate. Model 6070B, a more efficient unit, costs $1275 to purchase and $22 per month to operate. 

(a) After how many months will the total cost of both units be equal?

(b) Which model will be the more cost effective if the life of both units is guaranteed for 10 years?

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Related Book For  book-img-for-question

A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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