A house painting company charges $376 plus $12 per hour. Another painting company charges $280 plus $15 per hour. a. How many hours, h, will a job have to be for both companies to charge the same amount? b. What will the cost be?
m: cost per hour b: initial charge fee x: hours (h) To make both company to charge the same amount: 12x+376=15x+280 376-280=15x-12x 96=3x X=32 So it took 32 hour to 2 company charge the same amount. The cost gonna be: 12.(32)+376=760$
