Given that y is directly proportional to the cube of x and inversly proportional to the square of z, if x decreases by 23.3% and z increases by 45.3%, by what factor does y change?
Couldn't make a equation but I tried like this:
The Attempt at a Solution
I couldn't get the question and where to start adding variables into the equation.
I think the equation is wrong to me though. Someone help?
(am I in the right thread for this question?)
Also my English is sort of weak so please make statement simple as possible. :)