Answer:
Wrigley Gum at Store 1 (since it has the lowest unit price)
Step-by-step explanation:
To find the best deal, you solve for unit price. The price for each item (total price / total units)
Store 1
1.29/14=$0.092
1.19/15=$0.079
Store 2
7.81/81=$0.096
0.55/5=$0.11
Store 3
3.98/10=$0.398
9.98/100=$0.0998