Carmen was hired as a salaried computer programmer for $42,000 per year. what is her bi-weekly (26 weeks) salary? question 1 options: a: $3,500.00 b: $1,000.00 c: $807.69 d: $1,615.38

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?