Well, IDK what the price of the candy bar is, but let's say it's a buck. Pretty much, you are buying 3 bars for $2.00. 6 bars for $4.00, 9 bars for $6.00, 12 bars for $8.00, 15 bars for $10.00, 18 bars for $12.00, and 20 bars fr $14.00
Step-by-step explanation:
The final answer is $14.00 if the bars are a buck a piece