A well driver charges $10 a foot for the first 10ft $10.50 a foot for the next 10ft , $11 a foot for the next 10ft and so on increasing the price by $.50 for each 10ft. What is the cost of drilling a 100 ft well

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.4: Subtracting Real Numbers
Problem 8P
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A well driver charges $10 a foot for the first 10ft $10.50 a foot for the next 10ft , $11 a foot for the next 10ft and so on increasing the price by $.50 for each 10ft. What is the cost of drilling a 100 ft well?  
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