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The length of a rectangle is increased by 60%.
The length of a rectangle is increased by 60%.

By what % would the width have to be decreased to

maintain the same area? steps....



  
Total Answers and Comments: 1 Last Update: May 23, 2008     Asked by: swatirose88 
  
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 Best Rated Answer
Submitted by: SpandanaMohan
 
Let the length be L and breadth be B...therefore initial area ia A=L*B
Now if we increase length by 60%, the new length will be L+3L/5...
Let the decreased amount of breadth be x...
since the area is same in both the cases, we can equate the area as
 L*B=8L/5(B-x)...Solving this we get x as 3/8...which is nothing but 37.5%
Therefore the breadth shld be decreased by 37.5%

Above answer was rated as good by the following members:
rajani_vaddepalli15
May 23, 2008 12:20:33   #1  
SpandanaMohan Member Since: January 2008   Contribution: 12    

RE: The length of a rectangle is increased by 60%.
Let the length be L and breadth be B...therefore initial area ia A=L*B
Now if we increase length by 60%, the new length will be L+3L/5...
Let the decreased amount of breadth be x...
since the area is same in both the cases, we can equate the area as
 L*B=8L/5(B-x)...Solving this we get x as 3/8...which is nothing but 37.5%
Therefore the breadth shld be decreased by 37.5%

 
Is this answer useful? Yes | NoAnswer is useful 1   Answer is not useful 0Overall Rating: +1    

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Read Answers (4) | Asked by : rajitha

The size of a program is N. And the memoryoccupied by the program is given by M = square root of 100N. If the size of the program is increased by 1%then how much memory now occupied ?
plz any one tell me,how to answer this.... 
Read Answers (5) | Asked by : krithika

The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1% then how much memory now occupied?  
Latest Answer : the memory size depends on the size of the program...If the program size is increased by 1%, then the memory size also changes according to size of the pgm...The new size of the program is n+n/100...and the size of memory is square root of 100(n+n/100).... ...

The length of a rectangle is increased by 60%. By what % would the width have to be decreased to maintain the same area? steps.... 
Latest Answer : Let the length be L and breadth be B...therefore initial area ia A=L*BNow if we increase length by 60%, the new length will be L+3L/5...Let the decreased amount of breadth be x...since the area is same in both the cases, we can equate the area as L*B=8L/5(B-x)...Solving ...

In a circular race track of length 100 m, three persons A, B and C start together. A and B start in the same direction at speeds of 10 m/s and 8 m/s respectively. While C runs in the opposite at 15 m/s. 
View Question | Asked by : swatirose88


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