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Richard charges a flat rate of $75.00 per job plus $35.00 per hour to do interior painting. write an equation for the total cost, , of a job that takes hours to complete. find a new equation for the number of hours worked on a particular job that costs dollars. how many hours did richard work if the job costs $495.00? how many hours did he work if the job costs $652.50?

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Pluie
Well the equation would be Y= 75x+35.

So 495 is the Y, so it's 495+ 75x+35.
Subtract the 35 (because it's positive)
460= 75x.
Divide everything by 75. 
It'd be about 6.1 hours.

Same thing with the second.
About 8.2 hours.