Problema Solution
firm charges $100 for labor the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the receding 10 feet.how much will it cost to build a 90 foot tower.
Answer provided by our tutors
10(100) + 10(125) +10(150) +10(175) + 10 (200) + 10(225) +10(250) + 10(275) +10(300) = 90 feet total, 1800 dollars