Ann and Bart each sent 25 identical marbles to the warehouse. Carl and Dave each sent 35 marbles. By agreement, all of the marbles were all put into one bin and commingled. Ann snuck in one night to try to steal the marbles, and she lost 25 of the marbles while trying to get them out of the bin before she was caught and stopped. How many marbles would Ann get from the remaining marbles?  Explain briefly