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MATH QUESTION OF THE DAY


If the price of gasoline increases by 25%, by how much must a user cut down his consumption so that her expenditure on gasoline remains constant?

A. 25%
B. 16.67%
C. 20%
D. 33.33%
E. 40%



 

 
 Submitted Answers
Student: 2/24/2010 8:54:50 AM
c
   
Student: 2/24/2010 4:03:19 PM
its C - 20%
   
Student: 2/24/2010 9:00:34 PM
A
   
Student: 2/25/2010 2:36:00 AM
C
   
Student: 4/24/2011 7:18:32 PM
Consider gas is of $1.00 / gallon and 10 gallons of gas is consumed.
Person spends $10.00 on gas.

Price increases by 25%.. which will be $1.25 per gallon.
For price to remain same, $10 = 1.25 (new gallons of gas)
New gallons of gas = 10/1.25 = 80%
Decrease = 20%
   
Student: 7/9/2011 8:41:34 AM
vinit-
C-20%
   
 
    Answer

The correct answer is C.


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