Answer
Please see the work below.
Work Step by Step
We know that
$Q=mL_v$
We plug in the known values to obtain:
$Q=(1.1)(225700)$
$Q=2482700J$
Now $t=\frac{Q}{P}$
We plug in the known values to obtain:
$t=\frac{2482700}{1500}$
$t=1700s$