document.write( "Question 121613: It costs $1.50 per day to place a one line ad in the classifieds plus a flat service fee. One day costs $3.50 and four days costs $8.00. Write a linear equation that the cost in dollars, y, in terms of the number of days the ad appears, x. \n" ); document.write( "
Algebra.Com's Answer #89286 by oscargut(2103)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "let f the name of the fee\r \n" ); document.write( "\n" ); document.write( "then 1.5+f=3.5 then f=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "then y = 1.5x + f or y = 1.5x + 2\r \n" ); document.write( "\n" ); document.write( "(look that verifies 4 days $8 ) \n" ); document.write( " |