A rectangular football field is fenced on all four sides. The length of the football field is 3 times the length of its breadth. The cost of fencing the field was $360. The football management has decided to change the dimensions of field by increasing the breadth by 50% of its original value and reducing the length by 25% of its original value and fence the field again.. What will be the cost of the new fencing?
Choose the correct choice from the following choices:
A) $360  B) $180  C) $425  D) $337.5  E) $415
Let's take x to be the breadth. Then the length of the football field is 3x.   The perimeter of the old football field is x + 3x + x + 3x = 8x.   Now, for the new football field:   The new breadth = 1.5 times old breadth = 1.5x   The new length is 0.75 times old length = (.75)3x = 2.25x   So the new perimeter is 1.5x + 2.25x + 1.5x + 2.25x = 7.5 x.   for old perimeter rate is $360   For new perimeter  1.5  + 2.25  + 1.5  + 2.25= 
<gadget id="calculator"> 1.5  + 2.25  + 1.5  + 2.25</gadget>
<output>7.5</output>
7.5 x.   for old perimeter rate is $360   For new perimeter= (360 * 7.5)/8= 
<gadget id="calculator">(360 * 7.5)/8</gadget>
<output>337.5</output>
337.5   Ans - $337.5
<result>D</result>
A rectangular football field is fenced on all four sides. The length of the football field is 3 times the length of its breadth. The cost of fencing the field was $360. The football management has decided to change the dimensions of field by increasing the breadth by 50% of its original value and reducing the length by 25% of its original value and fence the field again.. What will be the cost of the new fencing?