2X+2=3X
X=2
Ten digits are 4 and one digit is 6.
46
There is a disinfectant with a net weight of 250g per bottle. The explanation is as follows:
Disinfection reference value
(Scrubbing for 5 ~ 10 minute)
1. melons, tableware and kitchen supplies 1: 500
2. White clothes and object surfaces 1: 300
3. Infectious pollutants 1: 100
How many bottles of this disinfectant does 303 kg of liquid medicine need to disinfect the pollutants that infect patients?
303 *( 1/ 10 1)= 3kg。
3 kg =3000 g
3000/250= 12
Need 12 bottles of this disinfectant.