Is x-8 a solution to the equation 6 + x = 15?
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A. No, because 6 + 8 = 15 is not true.
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B. Yes, because 6+ 8 = 15 is not true.
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C. Yes, because 6+ 8 = 15 is true.
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D. No, because 6 + 8 = 15 is true,

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?