Answer:
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.
1.6m questions
2.0m answers