To determine which candy bar is cheaper per unit, we need to find the cost per candy bar for both Candy Bar A and Candy Bar B.
Candy Bar A:
The cost for Candy Bar A is given in the table:
- Quantity 1: $1.25 ā Cost per bar = $1.25
- Quantity 2: $2.50 ā Cost per bar = $2.50/2 = $1.25
- Quantity 3: $3.75 ā Cost per bar = $3.75/3 = $1.25
- Quantity 4: $5.00 ā Cost per bar = $5.00/4 = $1.25
- Quantity 5: $6.25 ā Cost per bar = $6.25/5 = $1.25
For Candy Bar A, the cost per bar is consistently $1.25.
Candy Bar B:
The relationship for Candy Bar B is given by the equation \( y = x \). This means the cost is equal to the quantity (in dollars):
- Quantity 1: $1.00 ā Cost per bar = $1.00
- Quantity 2: $2.00 ā Cost per bar = $2.00/2 = $1.00
- Quantity 3: $3.00 ā Cost per bar = $3.00/3 = $1.00
- Quantity 4: $4.00 ā Cost per bar = $4.00/4 = $1.00
- Quantity 5: $5.00 ā Cost per bar = $5.00/5 = $1.00
For Candy Bar B, the cost per bar is consistently $1.00.
Conclusion:
Comparing the two:
- Candy Bar A: $1.25 per bar
- Candy Bar B: $1.00 per bar
Candy Bar B has the cheaper cost per bar.
So the answer is 2 for Candy Bar B.