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A plumber charges $90 per hour and a $50 travel fee.
The total cost of his last job was $410. Use the equation
90x + 50 = 410 to find x, the number of hours it took to
complete the job.

Respuesta :

fionaferlich1
okay so subtract 50 from both sides and you would get 360=90x and then divide each side by 90 and you would get x= 4 so it took 4 hours
therealperrythedrago

Answer:

X=4

Step-by-step explanation:

90 x 4 = 360

360+50=410

hope this helps:)