A rectangular floor is covered by a rug except for a strip 3 meters wide along each of the four edge. If the floor is 12 meters by 10 meters, what is the area of the rug in square meters?
Answers.
A) 30  B) 28  C) 36  D) 42  E) 24
A strip of 3 meters is covering the inner rectangular rug for all 4 sides.   Length of inner rug = 12-(2*3)   breadth of inner rug= 10-(2*3)   Area of Rug= 6 * 4= 
<gadget id="calculator">6 * 4</gadget>
<output>24</output>
24 sq. mt   Ânswer: 24
<result>E</result>
A rectangular floor is covered by a rug except for a strip 3 meters wide along each of the four edge. If the floor is 12 meters by 10 meters, what is the area of the rug in square meters?