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19 Jun 2018, 02:16
Kudos
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
67% (01:47) correct
33%
(01:57)
wrong
based on 645
sessions
History
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Time
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Not Attempted Yet
At a certain state university last term, there were p students each of whom paid either the full tuition of x dollars or half the full tuition. What percent of the tuition paid by the p students last term was tuition from students who paid the full tuition?
(1) Of the p students, 20 percent paid the full tuition.
(2) The p students paid a total of $91.2 million for tuition last term.
(1) Of the p students, 20 percent paid the full tuition.
(2) The p students paid a total of $91.2 million for tuition last term.
19 Jun 2018, 03:29
Kudos
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Bunuel
1. If 20% of the p students paid the full tuition, the remaining 80% of the
students paid half the full tuition. The total tuition collected by the certain
state university is 20% + 40% or 60% of the tuition. \(\frac{20}{60} * 100\) or \(33.3\) percent
of the tuition was paid by students who paid the full tuition (Sufficient)
2. Without knowing how many students paid full tuition and how many paid
half of the full tuition, and knowing the total amount collected, we can't give
a percentage for the tuition paid by students(who paid the full tuition) (Insufficient) (Option A)
General Discussion
20 Jun 2018, 11:41
Kudos
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Need to find how much was paid from P students and total amount of tuition collected
(1) Of the p students, 20 percent paid the full tuition.
We have 20% paid full ,80% paid half ==20%full+40%full = 60% full--> Sufficient -->Ratios tend to Sufficient
(2) The p students paid a total of $91.2 million for tuition last term.
We were not given any info about Total Tuitions collected ---> Insufficient .
Option A
(1) Of the p students, 20 percent paid the full tuition.
We have 20% paid full ,80% paid half ==20%full+40%full = 60% full--> Sufficient -->Ratios tend to Sufficient
(2) The p students paid a total of $91.2 million for tuition last term.
We were not given any info about Total Tuitions collected ---> Insufficient .
Option A
