Okay, my prior answer got deleted for no work, apparently.
I'll re-post it though.
That word problem translates to:
Answer:
3a+5
Step-by-step explanation:
add-4a and 7a
3a+14-9
subtract 9 from 14
3a+5
Step-by-step explanation:
1/6 divided by 3=1/2.
I think this is the answer
The answer in is 4.4 bc 1/3 of 13.1(which is half of the total distance) is 4.4