Brace ran a race that was 2.5 miles long how long was the race to the nearest hundred feet

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?

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.