Question

If w is jointly proportional to u and v, and w =2 when u=4 and v=6, what is w when u=3 and v=8?

Answer 1

\[\frac{2}{w}=\frac{4*6}{3*8}\]

Answer 2

cross and time
2*3*8=w*4*6
48 =24w
48/24=w
2=w

Answer 3

ty