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25 Mar 2019, 00:25
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
76% (01:59) correct
24%
(01:57)
wrong
based on 129
sessions
History
Date
Time
Result
Not Attempted Yet
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
25 Mar 2019, 00:55
Kudos
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Bunuel
In the pizza, if 8 slices cost 8 dollar, the cost of a slice is 1 dollar.
Since the cost of putting the anchovies on half the pizza(4 slices) is 2 dollars more
than the other half, each slice with anchovies will cost an additional 50 cents.
Dave ate all the slices of the anchovy pizza and a slice of plain pizza(4*1.5 + 1 = 7)
Therefore, Dave would have paid 7 - 3 = 4 dollars(Option D) more than Doug.
Archit3110
25 Mar 2019, 02:48
Kudos
Bookmarks
Bunuel
cost of plain pizza per slice = 1$
and cost of adding achovies = 2$ for half pizza
total effective cost of Pizza = 1*8 + 2 = 10 $
slices eat by Dave = 2+ 5 ; 7 $ worth
and Doug 3 slices; 3$ worth
so Dave paid 7-3 ; 4$ more
IMO D
