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)