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**Nat077** There are two fish tanks in a pet shop.

In tank A there are four white fish and one black fish.

In tank B there are three white fish and four black fish.

One fish is to be taken out of tank A at random.

One fish is to be taken out of tank B at random.

Using a tree diagram, or otherwise, calculate the probability that

(a) the two fish will both be white

(b) the two fish will be of different colours

Do you think i should give my answer in decimals or fractions?

What answers did you get?

Thankyou