document.write( "Question 252748: The price of a 2-hour plumbing repair job is $130 and the price of a 5-hour job is $250. Find and interpret the slope of the line through (2, 130) and (5, 250). \n" ); document.write( "
Algebra.Com's Answer #184947 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The price of a 2-hour plumbing repair job is $130 and the price of a 5-hour job is $250. Find and interpret the slope of the line through (2, 130) and (5, 250). \n" ); document.write( "------------- \n" ); document.write( "Your \"x\" values are time. \n" ); document.write( "Your \"y\" values are cost \n" ); document.write( "------------------------------ \n" ); document.write( "slope = [change in cost/change in time] = (250-130)/(5-2) = 120/3 = 40 \n" ); document.write( "---------------------------------------- \n" ); document.write( "This slope tells you the cost increases by $40 for each additional \n" ); document.write( "hour of work. \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |