Write the algebraic expression for the verbal expression 3 times the sum of r and d minus 2 times the sum of r and d then simplify

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Which expression will have the same sum as 3_8 + 1/4?

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?