Answer:
Each fish is £4
Each clam is £0,20
Explanation:
500 fish trade 10,000 clams
5 clams = £1 (British pound)
So 10,000 clams will be, we use cross multiplication
5/1=10000/x
x=10000 x 1/5
x=2000
Then, the 10000 clams worth £2000
Each clam is £0,20
Also , we know 500 fish trade 10,000 clams, that means the 500 fish worth £2000
So , each fish is £4