haileyfagiano
haileyfagiano
08-09-2016
Mathematics
contestada
How do I solve this problem?
Respuesta :
Mathsman
Mathsman
08-09-2016
This can be modelled as an inequality:
Profit > costs
Let x be the number of books, so:
15x > 4x + 3500
11x > 3500
x > 3500 / 11
x > 318.18
so you need to sell 319 books.
Hope that helped!
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