document.write( "Question 260179: A salesman for an electronics company finds that the number of mp3 players that he can sell during a month depends on the price. When they are priced at $100, he can sell 50 of them. When the price drops to $50, he can sell 250 of them. Write a linear equation in the form p = mn + b, where n represents the number sold and p represents the price, that reflects this (and m is the slope and b is the p-intercept). \n" ); document.write( "
Algebra.Com's Answer #191637 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "p-p/n-n=m \n" ); document.write( "250-50/50-100 \n" ); document.write( "200/-50=-4\r \n" ); document.write( "\n" ); document.write( "p=mn+b \n" ); document.write( "50=-4*100+b \n" ); document.write( "50=-400+b \n" ); document.write( "350=b \n" ); document.write( "p=-4n+350 \n" ); document.write( " \n" ); document.write( " |