10.5 ounce package- $3.51
29.3 ounce package- $3.67
It is better to buy a 10.5 ounce package
It is a very high probability. If you role two dice no matter what you will get 12 or less.
Y=2 by the method of substitution (x is 7).
15 round by the nearest 10 is 20.
