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20 Mar 2025, 06:32
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
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Question Stats:
93% (01:33) correct
7%
(01:42)
wrong
based on 113
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A bookstore sells hardcover books and paperbacks. The number of paperbacks sold is always 75 percent of the number of hardcover books sold. If the number of hardcover books sold increases from 12,000 to 18,000, what will be the increase in the number of paperbacks sold?
(A) \(4,500\)
(B) \(6,000\)
(C) \(7,500\)
(D) \(9,000\)
(E) \(12,000\)
(A) \(4,500\)
(B) \(6,000\)
(C) \(7,500\)
(D) \(9,000\)
(E) \(12,000\)
20 Mar 2025, 11:48
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Initial paperbacks sold:
12,000 × 0.75 = 9,000
New paperbacks sold:
18,000 × 0.75 = 13,500
Increase in paperbacks sold:
13,500 - 9,000 = 4,500
Answer: 4,500
12,000 × 0.75 = 9,000
New paperbacks sold:
18,000 × 0.75 = 13,500
Increase in paperbacks sold:
13,500 - 9,000 = 4,500
Answer: 4,500
Updated on: 20 Mar 2025, 19:44
Originally posted by RITESH1984 on 20 Mar 2025, 19:40.
Last edited by RITESH1984 on 20 Mar 2025, 19:44, edited 1 time in total.
Last edited by RITESH1984 on 20 Mar 2025, 19:44, edited 1 time in total.
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Calculations:
75% = 50% + (50/2) %
Now,
(1)75% of 12000 = 6000(i.e 50%) + 3000(i.e 50\2%)
And,
(2)75% of 18000 = 9000 (i.e 50%) + 4500(i.e 50/2%)
The sum of (1) is 9000,which makes things easier for calculation since we already have 9000 in (2) and the rest is the difference.
75% = 50% + (50/2) %
Now,
(1)75% of 12000 = 6000(i.e 50%) + 3000(i.e 50\2%)
And,
(2)75% of 18000 = 9000 (i.e 50%) + 4500(i.e 50/2%)
The sum of (1) is 9000,which makes things easier for calculation since we already have 9000 in (2) and the rest is the difference.
