What is the unit rate for the ratio 96 points ?

8 games

O A.

8

games=8

96 points = 96

1 game

1 point

B.

96 points : 8

8 games :8

12 points

1 game

C.

96 points =-96

8 games

1 point

1

game

- 8

D.

96 points : 4

8 games 4

24 points

2 games

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?