Answer:
590 miles
Step-by-step explanation:
let's set it up
200=base
0.15 is our variable
and total is 288.50
200+0.15x=288.5
subtract 200 from both sides
0.15x=88.5
divide 0.15 from both sides
x=590
we can plug it in to double check our work
200+0.15(590)=288.50
