Question

A restaurant customer left $0.70 as a tip. The tax was 5% and the tip was 10% of the cost including tax. a. What piece of information is not needed to compute the bill after tax and tip? b. What was the total bill? a. What information is not needed to solve this problem? OA. The customer left a 10% tip. B. The tax was 5%. OC. The customer left $0.70 as a tip. O D. All of this information is needed to solve the problem. b. The total bill is...​

Answer 1

1-a. The tax was 5%

b. The total bill is 7$

Explanation:

a. We need the 10% tip of bill after tip and tax to get bill.

b. 0.7 = 10%

x = 100% (x is total bill)

x = (0.7*1)/0.1 (divide percentage by 100)

= 0.7/0.1

= 7