A family goes to a restaurant. When the bill comes, this is printed at the bottom of it: Gratuity Guide showing 15%=4.89, 18%=5.87, and 20%=6.52

How much was the price of the meal?

Someone help I need the answer immediately.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?