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Do Unto Caesar

Age 11 to 14 Challenge Level:

At Caesar's Palace in Vegas, were three poker players ? Alan, Bernie and Craig. At the beginning of the night the amount of money each had was in the ratios 7 : 6 : 5. At the end of the night the ratio was 6 : 5 : 4.

One of the players won $1 200.

What were the assets of the players at the beginning of the evening?