Answer:
6.55
Step-by-step explanation:
divide 13.1 by the 2 hours your answer will be 6.55
This will give us

That is the second option.
Please mark me as brainliest.
Answer:
13x+y=135
2x+2y=30
because when you substitute x (10) and y(5) you come out with the answer given to the equation