A farmer would like to install a fence around his property which has a perimeter of 98m. He wants to use 4”x 4” posts. Each post should be spaced 3.5 m apart. The following sequence shows the first few distances at which the farmer will install posts: 0, 3.5, 7, 10.5....... a) How many posts will the farmer need?  b) At what distance will the 13th post be?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A farmer would like to install a fence around his property which has a perimeter of
98m. He wants to use 4”x 4” posts. Each post should be spaced 3.5 m apart. The
following sequence shows the first few distances at which the farmer will install posts:
0, 3.5, 7, 10.5.......
a) How many posts will the farmer need? 
b) At what distance will the 13th post be? 
c) If each 4”x4” posts costs $15 and chain-link (fencing material), costs $55 for 7m,
what would be the total cost of the material to fence the property?

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