Percentages

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Percentages

by pullagurla » Sat Aug 28, 2010 9:41 am
A part-time employee whose hourly wage was
increased by 25 percent decided to reduce the
number of hours worked per week so that the
employee's total weekly income would remain
unchanged. By what percent should the number of
hours worked be reduced?
(A) 12.5%
(B) 20%
(C) 25%
(D) 50%
(E) 75%

Short cut please !
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by diebeatsthegmat » Sat Aug 28, 2010 9:57 am
pullagurla wrote:A part-time employee whose hourly wage was
increased by 25 percent decided to reduce the
number of hours worked per week so that the
employee's total weekly income would remain
unchanged. By what percent should the number of
hours worked be reduced?
(A) 12.5%
(B) 20%
(C) 25%
(D) 50%
(E) 75%

Short cut please !
B is the answer. because 1.25*0.8=1