Tom used a photo copier to dilate the design for a monorail track system. The figure below shows the design and its photocopy: The ratio of BC:FG is 1:2. What is the length in meters of side EH on the photocopied image

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