Solve for x and y

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Question 1:

The cost of buying a coffee and a tea in a cafe is £4. The cost of buying a coffee and three teas in a cafe is£7. Work out the cost of buying a coffee and the cost of buying a tea

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Question 2:

The sum of Rosemary's and Hannah's ages is 102 years. The difference between their ages is 52 years. Rosemary is older than Hannah. Work out the age of each woman using simultaneous equations.

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Question 3:

Five adult tickets and three child tickets for a movie cost £58. Two adult tickets and eight child tickets for a movie cost £47. Find the cost of each type of ticket.

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Question 4: Four chairs and two tables cost £218. Six chairs and seven tables cost £587. Find the total cost of buying twenty chairs and Yive tables.

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