TreShaun's full marker has enough ink in it to paint three 4 inch by 4 inch squares. If he colors in two 6 inch by 2 inch rectangles, what percentage of ink is left?
Each 4 by 4 square equals 16 square inches because 4 x 4 = 
<gadget id="calculator">4*4</gadget>
<output>16</output>
16.
Three squares equals 48 square inches because 3 x 16 = 
<gadget id="calculator">48</gadget>
<output>48</output>
48.
Each rectangle uses 12 square inches because 2 x 6 = 
<gadget id="calculator">2*6</gadget>
<output>12</output>
12.
Both rectangles will use 24 square inches because 2 x 12 = 
<gadget id="calculator">2*12</gadget>
<output>24</output>
24.
He has 1/2 of the ink left because 24 / 48 = 1/2.
He has 50% of the ink left because 1/2 x 100 = 
<gadget id="calculator">1/2*100</gadget>
<output>50</output>
50.

<result>50</result>