Four boys, Tom, Dick, Harry and Francis, each donated some money to 1 of the total donation made by Dick, Harry and 4 Tom's donation was 7 Dick's donation was of the total donation made by Tom, Harry and 23 4 Harry's donation was of the total donation made by Tom, Dick and Fra 11 Francis donated $36, how much did Tom donate?

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A: NOTE: Refresh your page if you can't see any equations. .