use the table to answer the question
($) COst of Candy bar A
Quantity ($) Cost
1 1.25
2 2.50
3 3.75
4 5.00
5 6.25
The cost of Candy Bar A is displayed in the table. The proportional relationship between the cost and quantity for Candy Bar B is represented by the equation y = x. Which candy bar is the cheapest cost per bar?
To find the cost per bar for Candy Bar A, divide the cost by the quantity.
For Candy Bar A:
Cost per bar for 1 candy bar: 1.25/1 = $1.25
Cost per bar for 2 candy bars: 2.50/2 = $1.25
Cost per bar for 3 candy bars: 3.75/3 = $1.25
Cost per bar for 4 candy bars: 5.00/4 = $1.25
Cost per bar for 5 candy bars: 6.25/5 = $1.25
So, the cost per bar for Candy Bar A is $1.25 for all quantities.
For Candy Bar B, the cost per bar is always equal to the quantity (y = x). Therefore, Candy Bar B is the cheapest cost per bar since it costs the same as the quantity of candy bars purchased.