connorpaterniti123 connorpaterniti123
  • 25-10-2016
  • Mathematics
contestada

James spent $(2y2 + 6). He bought notebooks that each cost $(y2 − 1).
The expression to find the number of notebooks James bought is .

If y = 3, James bought notebooks.

Respuesta :

ivanrichaud5
ivanrichaud5 ivanrichaud5
  • 26-10-2016
First, divide the total cost by the unit cost: 

(2y^2 + 6) / (y^2 - 1) 

Then, if y = 3, just plug in and compute. 

I know you can do that!
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