Respuesta :
Answer:
6 miles
Step-by-step explanation:
first thing you need to do is find a number under 18 that can be multiplied by 3
3
6
9
12
15
18
and 18 is the 6th number and is 18, you can add the 2 extra fixed charge to that
they can travel 6 miles
but if you're talking about a fixed charge per mile then dont use this! ^^
Answer:
6 miles
Step-by-step explanation:
6 x 3 = 18
7 x 3 = 21
it has to be 6 since 7 is too big and plus 2 is exactly 20