Answer
$1.38
OR 11.5 cents per bag
Ok lets start
the bulk chips has a total of 10.50
the individual cost 0.99 each
Multiply 0.99 by 12 so everything is fair
0.99 x 12 =11.88
The bulk chips ae 10.50
To find the difference we subtract
10.50 from 11.88 (remember, 10.50 is the cost of buying in bulk!)
11.88-10.50 = 1.38
divide 1.38 by 12
We save $1.38 by buying in bulk or
11.5 cents per bag by buying bulk
Hope this answers your question,
~Jeron