Can an outlier be part of a cluster of values

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Need asap. solve for the following inequality

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers