Nina buys a small rug that is in the shape of a kite as shown below.
The width of the rug is half its height.
Drag numbers to identify the width and the area of the rug.
Numbers may be used once or not at all.

A kite with height shown as the sum of thirty-one inches and nine inches

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