Alley bought 1 pound of potatoes costing $4 from a local grocery store last week. her final bill included an additional sales tax 8%. the next week alley found that the price for a pound of potatoes had gone up to $6. what is the percentage increase in the cost of a pound of potatoes, including the sales tax?

54%

Step-by-step explanation:

Given: The cost of 1 pound of  potato in  a local grocery store last week= $4

The cost of 1 pound of  potato in  a local grocery store last week after 8 % tax= $4+8% of $4

The cost of 1 pound of  potato in  a local grocery store next week= $6

The cost of 1 pound of  potato in  a local grocery store next week after 8 % tax= $6+8% of $6

The percentage increase in the cost of a pound of potatoes, including the sales tax will be given by :-