#### Answer

885 dollars

#### Work Step by Step

A car rents for $\$175$ per week plus $\$0.30$ per mile.
We need to find the cost for a trip of $3$ weeks and $1200$ miles.
The money paid for the weekly cost is:
$175*3=525$ dollars.
The money paid for the cost of miles:
$0.30*1200=360$ dollars.
The total cost is:
$525+360=885$ dollars.