A 6.5-ounce can of tuna for $1.39 or a 3-ounce can of tuna for 0.65. The 3-ounce can of tuna costs _______ per ounce

How to solve this

65¢/3oz = 65/3 ¢/oz = ___

To determine the cost per ounce of the 3-ounce can of tuna, we can use the following formula:

Cost per ounce = Total cost / Total weight

Using the information given, the cost of the 3-ounce can of tuna is $0.65. So, plugging the values into the formula:

Cost per ounce = $0.65 / 3 ounces
Cost per ounce ≈ $0.217 per ounce (rounded to the nearest thousandth)

Therefore, the 3-ounce can of tuna costs approximately $0.217 per ounce.