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Answer the question as presented.
The diference between the price of the first two plates will tell you the price of the mushrooms. Continue looking for comparisons like this to work out the individual prices of the items.
The difference between plates 1 and 5 will give you the price of a sausage. The difference between plates 3 and 4 will give you the price of tomatoes.
A sauages is 80p, mushrooms 25p, tomatoes 15p and toast 30p. Adding these up gives £1.50.
