Problema Solution
The cost for groceries was $11.20 before sales tax. How much was the total cost of groceries after the 5% sales tax was charged?
Answer provided by our tutors
total cost = $11.20 + 5% of $11.20
total cost = 11.20 + 0.05*11.20
total cost = $11.76
The total cost of groceries after the 5% sales tax was $11.76.