$2$A$($g$)+$ B$($g$)+2$C$($g$)->2$D$($g$)+$ E$($sFor the reaction in Question #$7,$ doubling the concentration of A doubles the rate, tripling the concentration of B has no effect, and doubling the concentration of C increases the rate by a factor of $8.$ By what factor will the rate change if the concentrations of A$,$ B$,$ and C are all halved?$)$