Lesson 1, Topic 1
In Progress

# 2EM 1.2 Worked Example 6 (Application of Inverse Proportion)

$$x$$ is indirectly proportional to the cube of $$y$$. It is known that $$x=9$$for a particular value of $$y$$. When the value of $$y$$ is increased by $$100$$%, find

(a)

the value of $$x$$.

(b)

the percentage decrease in the value of $$x$$.