MCQ PracticeMarginal rate of factor substitution (fracvartriangle X _1vartriangle X _2) is equivalent toSubject: AgricultureTopic: Agricultural EconomicsAfracP X _1P Y _1BfracP X _2P Y _2CfracP X _2P Y _1DfracP X _1P Y _2Correct Answer: CPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the