Hi, Find the values of x and y. The diagram is not to scale. Answer options are:
x = 68, y= 75
x=75, y=68
x=40, y = 68
x=75, y=70

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?