The inequality s is < or = 92 represents the score s that Jared must earn in his next test to get an A On his report card. Give two possible scores that Jared could earn to get the A. HELP ME PLS ASAP PLS

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?