The length of a rectangle is 3 times its width. If the width of the rectangle is 4 inches, what is the rectangle's area, in square inches?  Choose the most appropriate option:	A) 30 square inches	B) 75 square inches	C) 68 square inches	D) 48 square inches	E) 92 square inches
If the width is 4 in and the length is 3 times the width, then the length is    3 * 4= 
<gadget id="calculator"> 3 * 4</gadget>
<output>12</output>
12 in   The area is given by     4 * 12= 
<gadget id="calculator">  4 * 12</gadget>
<output>48</output>
48 square inches   correct answer 48 square inches
<result>D</result>
The length of a rectangle is 3 times its width. If the width of the rectangle is 4 inches, what is the rectangle's area, in square inches?