The length of a rectangle is 4 times its width. If the width of the rectangle is 5 inches, what is the rectangle's area, in square inches?
Choose the correct answer.
A) 30 square inches  B) 75 square inches  C) 100 square inches  D) 89 square inches  E) 92 square inches
If the width is 5 in and the length is 4 times the width, then the length is    4 * 5= 
<gadget id="calculator"> 4 * 5</gadget>
<output>20</output>
20 in   The area is given by     5 * 20= 
<gadget id="calculator">  5 * 20</gadget>
<output>100</output>
100 square inches   correct answer 100 square inches
<result>C</result>
The length of a rectangle is 4 times its width. If the width of the rectangle is 5 inches, what is the rectangle's area, in square inches?