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college admission officer help please

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by hpgmat » Fri Nov 13, 2009 2:05 pm
a college admmissions officer predicts that 20 percent of students who are accepted will not attend the college . According to the prediction , how many students should be expected to achieve a planned enrollment of x students

A) 1.25 x
B)1.2 x
C)0.8 x
D) 2 X
E) 1.75 x


Please show calculation
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by JDOE123 » Fri Nov 13, 2009 2:25 pm
If I'm reading the problem correctly, you're trying to get x to be 100% (ie trying to fill the class completely). So if 20% of the accepted students don't go then you need accept 125% of applicants.

125*(1-20%)=125*.8=100

answer: 1.25x
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by heshamelaziry » Fri Nov 13, 2009 5:01 pm
JDOE123 wrote:If I'm reading the problem correctly, you're trying to get x to be 100% (ie trying to fill the class completely). So if 20% of the accepted students don't go then you need accept 125% of applicants.

125*(1-20%)=125*.8=100

answer: 1.25x
But the question did not ask what percent should the college admit or if the college wants to admit all the students who apply. How did you make this deduction ?

I need a dicionary to translate English to English
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by JDOE123 » Fri Nov 13, 2009 6:32 pm
100% is a given. You want to fill the class completely. If they didn't want this, they would specify that they only what X% of the seats filled.

If the class size is 100 (x), 20% of those accepted don't show up, then they need to accept 125 students. So 1.25*x is the answer.
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