The equation lx - 81 = 3 represents the minimum and maximum percent of people in a survey who are
undecided about an issue. What percent of the people in the survey are undecided about an issue?
Minimum =
Maximum =
DONE
Intro
3 of 4

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?