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07 Aug 2025, 22:00
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C
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Difficulty:
15%
(low)
Question Stats:
89% (01:01) correct
11%
(00:45)
wrong
based on 71
sessions
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A cafeteria served hamburgers and hot dogs on a certain day. If the cost of each hamburger was $5 and the cost of each hot dog was $3, what was the total cost of the hamburgers and hot dogs served by the cafeteria that day?
(1) The total number of hamburgers and hot dogs served was 130.
(2) The ratio of the number of hamburgers to the number of hot dogs served was 3 to 2.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
(1) The total number of hamburgers and hot dogs served was 130.
(2) The ratio of the number of hamburgers to the number of hot dogs served was 3 to 2.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
08 Aug 2025, 04:22
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5h+3d = ?
Need individual values of h and d
S1)
The total number of hamburgers and hot dogs served was 130.
h+d=130
No info on split of h and d
Insufficient
S2)
The ratio of the number of hamburgers to the number of hot dogs served was 3 to 2.
h:d=3:2
No info on the total number of h and d
Insufficient
Combined, we have 5x=130, x=26
H=3*26
d=2*26
Sufficient
Answer C
Need individual values of h and d
S1)
The total number of hamburgers and hot dogs served was 130.
h+d=130
No info on split of h and d
Insufficient
S2)
The ratio of the number of hamburgers to the number of hot dogs served was 3 to 2.
h:d=3:2
No info on the total number of h and d
Insufficient
Combined, we have 5x=130, x=26
H=3*26
d=2*26
Sufficient
Answer C
Bunuel
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