The magnitude of the electric field due to a small charged object is $12\frac{N}{C}$ at a distance of $6\mathrm{.}0m$ from the charge.

The field $3\mathrm{.}0m$ away from the charge is:

$($a$)48\frac{N}{C}$

$($b$)36\frac{N}{C}$

$($c$)4\mathrm{.}0\frac{N}{C}$

$($d$)3\mathrm{.}0\frac{N}{C}$