Answer:
12 with a remainder of 5
Step-by-step explanation:
have a good day! :)
Answer: 
Step-by-step explanation:
Given
New mail carrier takes 4 hours for delivery i.e.
New mail carrier completes
part of work in 1 hour
Old mail carrier takes 3 hours for delivery i.e.
mail carrier completes
part of work in 1 hour
If they work together, they complete the work in x hours i.e.

Answer:
c
Step-by-step explanation: because if you add all of the 17's you will get 136 in total
Answer:
d ... or c
Step-by-step explanation: