Respuesta :

sqdancefan

Answer:

  • 11 books
  • 3 candles

Step-by-step explanation:

We can let x represent the number of book bought. Then the total purchase amount is ...

  6x +4(14-x) = 78

  2x = 22 . . . . . . . . . subtract 56 and collect terms

  x = 11

Cindy bought 11 books.

__

She bought 14-11 = 3 candles.

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