$\"\"$

Charlie $\"\"$ s company pays him for every mile that he drives on his trip.

When he drives $\"\"$ , he is paid $\"\"$ .

Charlie was paid $\"\"$ .

How many miles did he drive.

Let $\"\"$ represent the price per mile.

$\"\"$ (Original eqation)

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Simplify)

Price per mile is $\"\"$ .

let $\"\"$ represent the number miles Charlie drove.

$\"\"$ (Original eqation)

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Simplify)

Therefore, Charlie drove $\"\"$ .

$\"\"$

Charlie drove $\"\"$ .