Help i can solve it but i dont get it

27 is what percent of 108? 27 is % of 108

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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?