Posted by **ernest** on Sunday, May 8, 2011 at 11:11pm.

need a reinstatement A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125; the next 10 fee will cost $150, etc. How much will it cost to build 90-foot tower?

- arithmetic -
**Anonymous**, Tuesday, June 28, 2011 at 5:06pm
$1800

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