20,21,23,23,25,29,32,33 -what is the outliner

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?