natepotts2014 natepotts2014

01-05-2014
Mathematics

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The school concert raised $1360 from the sale of 400 tickets. If adult tickets cost $5 and student tickets $3, how many student tickets were sold?

How many student tickets were sold?

Respuesta :

kate200468 kate200468

04-05-2014

[tex]x-how\ many\ student\ tickets\ were\ sold\\ \\3\cdot x+5\cdot (400-x)=1360\\ \\3x+2000-5x=1360\\ \\-2x=-640\ \ \ \Rightarrow\ \ \ \ x=320\\ \\Ans.\ 320\ tickets\ for\ students[/tex]

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