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please someone tell me how to figure this out.
Posted:
Jan 18, 2010 11:13 AM


The projected sales volume of a video game cartridge is given by the function http://sat.collegeboard.com/mathmlgen/content/question/practiceQuestion/multipleChoice/mathMCq3_1.png where s is the number of cartridges sold, in thousands; p is the price per cartridge, in dollars; and a is a constant. If according to the projections, 100000 cartridges are sold at 10 dollars per cartridge, how many cartridges will be sold at 20 dollars per cartridge?
please just click the link to see the equation i cant get any code to work to show the image



