What is the equation for the climb gradient expressed in percentage during unaccelerated flight (applicable to small angles only)?

Question

Question ATPL - Airline Transport Pilot license - Performance

QuizVDS · Accepted Answer

Climb Gradient = ((Thrust - Drag) / Weight) x 100

QuizVDS · Answer

Climb Gradient = (Lift / Weight) x 100

QuizVDS · Answer

Climb Gradient = ((Thrust - Mass) / Lift) x 100

QuizVDS · Answer

Climb Gradient = ((Thrust + Drag) / Lift) x 100

Id 64 - ATPL - What is the equation for the climb gradient expressed in percentage during unaccelerated flight (applicable to small angles only)?