Question

If V varies as the cube of T and V=16, when T is 4 find the constant of the variation

Answer 1

V = kT^3
16 = k*4^3
16 = k * 64
1/4 = k

Answer 2

If A varies jointly as the square of B and the square of C and inversely as the cube of D and A=18 when b=4 c=3 d=2