jennifer831
jennifer831
02-11-2016
Mathematics
contestada
Someone please help me on this question
Respuesta :
ajt98
ajt98
02-11-2016
[tex]100 + 10x=15x [/tex]. Subtract 10x from both sides. [tex]100=5x[/tex]. Divide by 5 on both sides. x=20. So you would need to buy 20 movies.
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