Number is 22 round down to

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Me i'm timed right now! there's 4 answer