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Mathematics, 24.04.2020 18:44 nails4life324
In 2009, two tickets to a Certain American band's concert and two tickets to a certain British band's concert cost, on average, a total of $556. At those prices, four tickets to see this American band and two tickets to see this British band cost $798. What was the average cost of these American and British band tickets in 2009?
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In 2009, two tickets to a Certain American band's concert and two tickets to a certain British band'...
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