Question
The total number of hashbrowns produced by Machine A and Machine B was 393. The total number of hashbrowns produced by Machine A and Machine C was 544. The total number of hashbrowns produced by Machine B and Machine C was 407. Find the average number of hashbrowns produced by 3 machines.
3 m

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The total number of hashbrowns produced by Machine A and Machine B was 393. The total number of hashbrowns produced by Machine A and Machine C was 544. The total number of hashbrowns produced by Machine B and Machine C was 407. Find the average number of hashbrowns produced by 3 machines.