SOLUTION: P varies inversely as the cube root of R and P is=1 when r=8. Find R when p=3 please explain,thanks

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: P varies inversely as the cube root of R and P is=1 when r=8. Find R when p=3 please explain,thanks      Log On

 

Hi,

Let k represent the constant of proportionality

P = 

1 = k/2

2 = k

3 =   ⇒ , R = 8/27