130 (I have to write 20 character or more so I'm writing this)
Norteo lo se
awdwqmedowmesdsaa sddasdasdasd asdasd asdqasd asd
Solution: We are given that:
5 people can paint 7 walls in 21 minutes
Therefore, 1 person can paint 7 walls in minutes
Which means 1 person can paint 1 wall in minutes
Now, 3 people can paint 1 wall in minutes
Therefore, 3 people can paint 5 walls in minutes
132.651 cm bc you do 5.1 x 5.1 x5. 1 and you will get 132.651 cm.
volume=l x w x h