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01 Nov 2018, 09:42
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
71% (00:29) correct
29%
(00:27)
wrong
based on 198
sessions
History
Date
Time
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Not Attempted Yet
What was the total amount of postage required to mail n letters?
(1) n = 10
(2) Each of the letters required at least $0.32 postage.
(1) n = 10
(2) Each of the letters required at least $0.32 postage.
04 Nov 2018, 10:03
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(1) n = 10
We know the number of letter but we don't know the postage cost.
(2) Each of the letters required at least $0.32 postage.
At least 0,32$ postage, we still don't know the postage cost.
(1)+(2)
We know the number of letters but we don't know the postage cost.
Answer E
We know the number of letter but we don't know the postage cost.
(2) Each of the letters required at least $0.32 postage.
At least 0,32$ postage, we still don't know the postage cost.
(1)+(2)
We know the number of letters but we don't know the postage cost.
Answer E
04 Nov 2018, 10:36
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The answer is E. T
his question can be solved easily using Logic, no need to calculate:
in order to calculate the postage, we need to know the value of two variables: the cost of postage for each letter, and the number of letters (n). Even when combined, both statements do not provide this - since (2) only gives a range for n, and not a value.
his question can be solved easily using Logic, no need to calculate:
in order to calculate the postage, we need to know the value of two variables: the cost of postage for each letter, and the number of letters (n). Even when combined, both statements do not provide this - since (2) only gives a range for n, and not a value.
