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07 Mar 2017, 02:00
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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:
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87% (01:46) correct
13%
(02:38)
wrong
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To prepare his famous meatloaf, Gordon uses veal, which costs $6 per pound, and pork, which costs $3 per pound. If the meatloaf weighs 9 pounds and costs $36, how many more pounds are used of pork than of veal?
A. 3
B. 4
C. 6
D. 7
E. 9
A. 3
B. 4
C. 6
D. 7
E. 9
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07 Mar 2017, 02:47
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Bunuel
To prepare his famous meatloaf, Gordon uses veal, which costs $6 per pound, and pork, which costs $3 per pound. If the meatloaf weighs 9 pounds and costs $36, how many more pounds are used of pork than of veal?
A. 3
B. 4
C. 6
D. 7
E. 9
A. 3
B. 4
C. 6
D. 7
E. 9
x - pounds of veal
y - pounds of pork
6x+3y=36 and x+y=9, on solving the 2 equations we have x=3 and y=6
how many more pounds are used of pork than of veal =pounds of pork - pounds of veal = y-x = 6-3 =3
Hence option A is correct
Hit Kudos if you liked it
07 Mar 2017, 10:47
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Answer: A
Let weight of veal used be x and weight of pork is 9-x
By method of alligation,
x _____9-x
6______3
____4__________[36/9 = 4$ per pound]
1______2
Therefore,
2x = 9-x
x = 3
Difference of weights = 6 - 3 =3
Let weight of veal used be x and weight of pork is 9-x
By method of alligation,
x _____9-x
6______3
____4__________[36/9 = 4$ per pound]
1______2
Therefore,
2x = 9-x
x = 3
Difference of weights = 6 - 3 =3
