document.write( "Question 808196: the price of refrigerator A is 600 and the price of refrigerator B Is 1200 the cost o electricity needed to operate the refrigerator is 50 per year for refrigerator A and 40 for refrigerator B what is the equation of refrigerator A and B ? \n" ); document.write( "
Algebra.Com's Answer #486841 by JBarnum(2146)![]() ![]() You can put this solution on YOUR website! not real sure what your asking but:\r \n" ); document.write( "\n" ); document.write( "total cost of refrigerator A = x \n" ); document.write( "total cost of refrigerator B = z \n" ); document.write( "amount of years = y \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if there is an amount of years to which refrigerator would be cheapest you could solve for each cost and find out. \n" ); document.write( "say 10 years which would be cheapest? \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "say 50yrs? \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "say 100years? \n" ); document.write( " \n" ); document.write( " |