Answer :
Given the length of the pencil, the length of the marker is 130.8 millimeters.
What are percentages?
Percentage can be described as a fraction of an amount expressed as a number out of hundred. Percentages are represented %.
How long is the marker?
Length of the marker = (1 + percentage) x length of the pencil
(1.09) x 120 = 130.8 millimeters
To learn more about percentages, please check: https://brainly.com/question/25764815