I'm not great at math but I believe the answer is $6.30
The answer to your question is 12
Answer:

thats it all of them are 69
Answer:
The barge can carry up to 94 railroad cars.
Step-by-step explanation:
Create an inequality to represent the weight of the barge to the max weight.
24 + 4r ≤ 400
Solve for r:
4r ≤ 400 - 24
4r ≤ 376
4r ≤ 376/4
r ≤ 94
Answer:
Whats the riddle
Step-by-step explanation: