Mathematics, 25.02.2021 23:20 mcclendoncassandra
2x - 4y = -4 2x + y = 11
Answers: 3
Mathematics, 21.06.2019 16:00, destinyaus14
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.
Answers: 1
2x - 4y = -4 2x + y = 11...
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