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($) Cost of Candy Bar A Quantity ($) 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? 1 for Candy Bar A. 2 for Candy Bar B

1 answer

To determine which candy bar has the cheaper cost per bar, we'll analyze the costs provided for Candy Bar A and the proportional relationship for Candy Bar B.

Candy Bar A Costs:

  • 1 bar: $1.25
  • 2 bars: $2.50
  • 3 bars: $3.75
  • 4 bars: $5.00
  • 5 bars: $6.25

Now, let's calculate the cost per bar for Candy Bar A:

  • For 1 bar: $1.25 / 1 = $1.25 per bar
  • For 2 bars: $2.50 / 2 = $1.25 per bar
  • For 3 bars: $3.75 / 3 = $1.25 per bar
  • For 4 bars: $5.00 / 4 = $1.25 per bar
  • For 5 bars: $6.25 / 5 = $1.25 per bar

The cost per bar for Candy Bar A is consistently $1.25.

Candy Bar B Costs:

The cost for Candy Bar B is represented by the equation y=x, which means the cost is equal to the quantity of bars purchased. Therefore:

  • Cost for 1 bar: $1.00 (1 bar)
  • Cost for 2 bars: $2.00 (2 bars)
  • Cost for 3 bars: $3.00 (3 bars)
  • Cost for 4 bars: $4.00 (4 bars)
  • Cost for 5 bars: $5.00 (5 bars)

Now, let's calculate the cost per bar for Candy Bar B:

  • For 1 bar: $1.00 / 1 = $1.00 per bar
  • For 2 bars: $2.00 / 2 = $1.00 per bar
  • For 3 bars: $3.00 / 3 = $1.00 per bar
  • For 4 bars: $4.00 / 4 = $1.00 per bar
  • For 5 bars: $5.00 / 5 = $1.00 per bar

The cost per bar for Candy Bar B is consistently $1.00.

Conclusion:

  • Candy Bar A costs $1.25 per bar.
  • Candy Bar B costs $1.00 per bar.

Candy Bar B is the cheapest option at $1.00 per bar.