Question 894804

The manager of an appliance store purchased a number of identical lamps for $8000.After selling all but 4 of the lamps at an average profit of $100 each, the investment of $8000 had been regained. How many lamps did the manager purchase?
<pre>
Number of lamps purchased: {{{highlight_green(highlight_green(20))}}}
You can do the check!! 

If you need a complete and detailed solution, let me know!!

Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.
Further help is available, online or in-person, for a fee, obviously. 

For FREE info and answers to questions about the ASVAB exam, the NYS 3 – 8 city/state wide exams,GENERAL
MATH and HOMEWORK QUESTIONS, or MATH QUESTIONS related to the Regents Integrated Algebra, 
Regents Geometry, Regents Algebra 2/Trigonometry, SHSAT, COOP/HSPT/TACHS, PSAT, SAT, ACT, SSAT/ISEE,
GRE, CLEP, and the TASC/GED, you can visit: http://asvabstudyzone.freeforums.net/.