Backtracking is a general algorithm for finding all (or some) solutions to some computational problems, notably constraint satisfaction problems, that incrementally builds candidates to the solutions, and abandons a candidate ("backtracks") as soon as it determines that the candidate cannot possibly be completed to a valid solution.[1]
if that is not what you are looking for then the other option would be retracing your steps
The answer is $1.28 sale tax Step-by-step explanation: Multiply the cost of the item times 0.05 to get the amount of the sales tax: 25.60 * 0.05 = $1.28 sales tax
