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Jack bought seven tickets for a movie he paid seven dollars for each adult ticket and four dollars for each child ticket jack spend $40 for the ticket write a system of equations that will determine how many adult tickets jack bought (PLEASE HELP)

Respuesta :

7x = 40

7x + 4y = 40

The first equation represents that in total, the 7 tickets whether they are for adults or children costs $40.

The second equation represents that x = adult and y = children tickets both add up to equal $40.

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