The total amount of money earned by all three plumbers on monday was $1,400. On tuesday they earned a total of $1,660, and on wednesday, they earned a total of $1,650. On thursday, plumber a made four house calls, plumber b made six house calls, and plumber c made three house calls. How much total money is earned on thursday? $250 $1,060 $1,090 $1,130.



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