Karla and her family are planning a trip to a museum. They find out that 2 adult tickets and 3 child tickets will cost $60. They also know that the adult tickets cost $5 more than the child tickets. Write two equations (with two variables) to model this scenario.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

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?

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza