Staples pays george nagovsky an annual salary of $36,000. today, george's boss informs him that he will received a $4,600 raise. what percent of george's old salary is the $4,600 raise? round to the nearest tenth percent.

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?