CONCEPT: The question is a word problem from the area of Arithmetic

SOLUTION:

 Number of quarter kilograms in P kg=4P,


Thus, the cost of sending a P kilogram package is:

 T + (T/5)(4P - 1)

 

= 5T/5 + (4PT - T)/5


 = (4PT + 4T)/5

= 4T(P + 1)/5 OPTION(E)