Mathematics homework help

Tom and his brothers caught 100 fish on a weeklong fishing trip. The total weight of one fish was 235 pounds. Part A-Write an expression that will find the weight of one fish. Assume that the weight of each fish is the same. Part B- What is the weight of one fish? Part C-Suppose the total weight of one fish caught stayed the same but instead of 100 fish caught during the weekend,only 10 fish were caught. How would the weight of each fish change? Explain.