Answer:
I think this is what you are asking for hope it helps: cost=.17M+50
Step-by-step explanation:
Given, distance between South Carolina and Texas = 
Distance between Texas and California = 
Let's assume, both the distance is same.

=> 
=> 
=>
Plug x = 113 in 
Miles.
Similarly,
miles
Since 2500 divided by 2 = 1250 miles, hence our assumption was correct, Texas lies between both the cities.
Like what is you trying to say explain
The total is $21 + $6 or $27.
There are 3 students.
Let p = how much each student will pay
p = $27 ÷ 3 students
p = $9
Each student will pay $9.
you cant really show that on this thing so.... and im not getting enough points for that so ..........