In the inverse variation function, what happens to the output when the function's inputvalue is multiplied by 4?

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

How do i do this activity, is appreciated

5(-9w) put expression in distributive property