With regard to the drift down performance of the twin jet aeroplane, what is meant by 'equivalent gross weight at engine failure'?

Question

Question ATPL - Airline Transport Pilot license - Performance

QuizVDS · Accepted Answer

The equivalent gross weight at engine failure is the actual gross weight corrected for OAT higher than ISA +10°C

QuizVDS · Answer

The increment represents fuel used before engine failure

QuizVDS · Answer

The increment accounts for the higher fuel flow at higher temperatures

QuizVDS · Answer

This gross weight accounts for the lower Mach number at higher temperatures[see Annex]

Id 119 - ATPL - With regard to the drift down performance of the twin jet aeroplane, what is meant by 'equivalent gross weight at engine failure'?