Speed (S) is measured in meters per second using the formula below, where d is distance traveled in meters and t is time in seconds. S = d/t

If an object is moving at a speed of 3 meters per second for a time of 3 seconds, how far did the object travel?

A 9 meters
B 6 meters
C 12 meters
D 72 meters

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?