SOLUTION: Need help putting this into an equation. "you are a contractor and charge $45 for a site visit plus and additional $24 per hour for each hour you spend working at the site. write a

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Question 986039: Need help putting this into an equation. "you are a contractor and charge $45 for a site visit plus and additional $24 per hour for each hour you spend working at the site. write and solve an equation to determine how many total hours you have to work to earn $810 working at two separate work sights."
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
C=Total charge; n=number of sites; h=hours worked at all sites
.
C=$45n+$24h
.
For n=2 and C=$810:
$810=$45(2)+$24h
$810=$90+$24h
$720=$24h
30hrs=h
ANSWER: You must work a total of 30 hours at two sites to earn $810.