A restaurant customer left 1.10​$ as a tip. The tax was 6% and the tip was 10​% of the cost including tax.
a. Which information is not needed to compute the bill after tax and​ tip?
b. What was the total​ bill?
Which information is not needed to solve this problem?
A. The customer left a 10% tip.
B. The customer left $1.10 as a tip.
C. The tax was 6%.
D. All of this information is needed to solve the problem.