Guide :Middle School

NEED HELP! worth 10 points:)

NEED HELP! worth 10 points:) a house painting company charges $376 plus $12 per hour .Another painting company charges $280 plus $15 per hour. (a)how long is a job for which both companies will charge
X equals number of hourscompany 1: 376+12xcompany 2: 280+15xset them equal to each other to get the amount of hours   376+12x=280+15x >>> than subtract 280 from both sides -280          -280   that equals   96+12x=15x than subtract 12x from both sides        -12x  -12x 96=3x than divide the whole equation by 332=x (a) 32 hoursand to get part b just plug the 32 into one of the equations376+12(32)376+384   760 (b) $760if you plug it into the other equation you get the same answer so that means that the answer is correctI hope this helps ...

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