The Percent Proportion is defined by. amount. ... The base, denoted by the letter b, is the entire quantity or total involved. Note: The number that is the base usually appears after the word of. The amount, denoted by the letter a, is the part being compared to the whole or total.
2 delivery stops
Find the point that hits 5 on the "packaging delivery".
Then look down to find the 'x'
your x is 2
hope this helps
The answer to your question is 136, pretty self explanatory