Ruby want to teach a hip-hop dance workshop. the cost of renting a dance studios 109.50 plus $15 per person attending the workshop. ruby can spend 318 at most to rent the space. what is the greatest number of people ruby can allow to attend the workshop?

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?