Mathematics

10 July, 13:00

Last night you went to a restaurant, and the bill for 3 adult meals and 2 children's meals was £73. Last week you went to the same restaurant and paid £89 for 2 adult meals and 5 children's meals. Let a = cost of an adult meal, and c = cost of a child meal. Form an equation for last night's meal: = Form an equation for last week's meal:

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