2. Mayfield High School sold tickets for a school musical. Seats in the auditorium cost £6 each and balcony seats cost £4. A total of 200 tickets was sold and £960 was collected. How many
of each type of ticket was sold?

Rename mixed numbers before you can subtract are what

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?