Answer
$W = 167 \space J $
Work Step by Step
The carnot efficiency is
$\epsilon = 1 - |\frac{T_L}{T_H}|$
$\epsilon = 1 - |\frac{280K }{360 K}| $
$\epsilon = 0.222$
To find the work done,
$W = \epsilon Q$
$W = (0.222) (750 J)$
$W = 167 \space J $
