Asked:
How many packs of relief goods were left?
Hidden Question:
How many packs of relief goods were already sent to the victims?
Given:
Total Packs of Relief Goods = 720
Packs of relief goods already sent to the victims = 75%
Solution:
720 x 75% = N
720 x 0.75 = N
720 x 0.75 = 540 packs of relief goods were already sent to the victims
720 - 540 = 180 packs of relief goods left
Answer:
There were 180 packs of relief goods left.