Respuesta :

Answer:

ok so he uses 3/2 for 3/5 so first lets see how much it will take for 1/5 of the  room so

3/2 dived by 3=1/2

then lets multiply this by 5 to make 1

1/2*5=2.5

so it will take 2 1/2 so d

Hope This Helps!!!