Michaela caught 3 fish, which weigh a total 19 1/2 pounds. One fish weighs 7 5/8 pounds and another weighs 5 3/4 pounds. How much does the third fish weigh?

Michaela caught 3 fish which weigh a total 19 12 pounds One fish weighs 7 58 pounds and another weighs 5 34 pounds How much does the third fish weigh class=