All members of our painting team paint at the same rate. If $40$ members can paint a $100$ square foot wall in $50$ minutes, then how long would it take the $40$ members to paint a $480$ square foot wall, in minutes?

Well we have the same amount of members painting the wall, and if 40 members paint a 100 square foot wall in 50 minutes, then 40 members can paint a 480 square foot wall in 50 x 480/100 or 50 x 4.8 which is equal to 240 minutes or 4 hours.

Well we have the same amount of members painting the wall, and if 40 members paint a 100 square foot wall in 50 minutes, then 40 members can paint a 480 square foot wall in 50 x 480/100 or 50 x 4.8 which is equal to 240 minutes or 4 hours.