Answer:
4 miles
Step-by-step explanation:
Use an expression:
$1.75 + $0.75m = $4.75 -Subtract $1.75 from both sides of the equation
$1.75 - $1.75 + $0.75m = $4.75 - $1.75
$0.75m = $3 -Now divide both sides by $0.75
$0.75m / $0.75 = $3 / $0.75
m = 4
So, they traveled 4 miles. Hope this helps! :)