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.

96 fluid ounces < 13 cups
25 pounds > 384 ounces
8 yards = 288 inches
Have a nice day!
The first choice is substitution because G s being substituted by C
Answer:
Check attachment for solution
Step-by-step explanation: