At last year's bass tournament, jim caught 12 bass in a four-hour pe- riod. this year he caught 15 in a six-hour period. in which year was he

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W0lf93
I think you are asking about the productivity comparison of two years 
productivity will be more if rate of output is higher 
For first year rate of output is 12/4=3 fish per hour 
For second year rate of output is 15/6=2.5 fish per hour  
So we can see that Jim was more productive in first year as compared to second year