What is the minimum current rating of the motor disconnecting means for a 7.5-horsepower, 115-volt, single-phase motor?

Motor 1) 7 ½ horsepower single phase, 230 volts 40 ampere) ; Motor 2) 5 ... for a 2 horsepower 115 volt motor that has a full-load current rating of 24 ampere, ... Simultaneously disconnects all conductors of the circuit.

both equations and proportions are better.