Johann and marta shopped at a vintage toy store johann bought 3 blue marbles and 5 green marbles and paid 11 dollars marta bought 4 blue marbles and 2 green marbles and paid 10 dollars which system of equations can be used to find the prices of the blue and green marbles

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

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?