It is difficult and expensive to refine anything to 100% purity. Best to use 70% as it is just as effective and cost a whole lot less.
Because the concentration of alcohol is lower; you pay the alcohol not the water.
A 60% isopropyl alcohol solution contains 60% isopropyl alcohol and 40% water. It is commonly used as a disinfectant for wounds, surfaces, or equipment due to its antibacterial properties. It is important to follow proper guidelines for usage and application to ensure effectiveness.
Benjamin Franklin Isherwood
40 out of 80=40/80=.5 .5 is 50 percent, and larger than 40 percent.
40 is higher than 40%.
60%.
20% of 40 is not greater than 40% of 20. The two are equal. 20% of 40 = 0.20 * 40 = 8 40% of 20 = 0.40 * 20 = 8
less than 40 percent
less than 40 percent
40 + 15% = 40*1.15 = 46
No