$100 miles can alex drive.
<h3>How to find the how many miles can alex drive?</h3>
Alex rents a car for one day.
The charge is $18 plus $0.12 per mile.
Alex wants to spend exactly $30.
now find how many miles can alex drive as follows below process.
$0.12 chagre for 1 mile and $18 for car rent.
so, subtract the car rent in $30 = $30-$18 = $12
let Alex would drive x miles.
0.12(x) = 12
x = 12/0.12
x = 100
so, $100 miles can alex drive.
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