Use the figure to find the product (x + 3)(x + 2). (Hint: Find the area of each small square or rectangle, then add.)
1 1 1
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1
(x+3)(x + 2) = _

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