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29 Apr 2025, 00:30
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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:
85%
(hard)
Question Stats:
49% (02:15) correct
51%
(01:50)
wrong
based on 121
sessions
History
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Time
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Not Attempted Yet
Jim's Shirt Barn sells all shirts in stock via the Internet for $29.95 per shirt plus $3.95 per shipment. How many shirts were in the last order Jim's Shirt Barn shipped?
(1) The total price of the order was between 285 and 320 dollars.
(2) The total price of the order was between 300 and 335 dollars.
(1) The total price of the order was between 285 and 320 dollars.
(2) The total price of the order was between 300 and 335 dollars.
29 Apr 2025, 01:20
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Let shirts be n
Total order = 29.95n + 3.95
Statement 1
285 < 29.95n + 3.95 < 320
281.05 < 29.5n < 316.05
n = 10
Sufficient
Statement 2
300< 29.95n + 3.95 <335
296.05 < 29.95n < 331.05
n can be 10 or 11
Insufficient
Answer A
Total order = 29.95n + 3.95
Statement 1
285 < 29.95n + 3.95 < 320
281.05 < 29.5n < 316.05
n = 10
Sufficient
Statement 2
300< 29.95n + 3.95 <335
296.05 < 29.95n < 331.05
n can be 10 or 11
Insufficient
Answer A
Bunuel
29 Apr 2025, 22:49
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Bunuel
Let’s denote the number of shirts in ordered as x.
Total cost = 29.95* x + shipment cost
= 29.95 x + 3.95
Statement 1:
The total price of the order was between 285 and 320 dollars.
285 < 29.95 x + 3.95 < 320
285 < 29.95x+3.95 < 320
285−3.95 <29.95x <320−3.95
281.05. <29.95x <316.05
Approximating 29.95 as 30 , putting x =10 will be within range. Putting, 11 will result in value closer to 330.
Hence, one unique value of 10 satisfies the equation.
A is sufficient
Statement 2:
The total price of the order was between 300 and 335 dollars.
300. <29.95x+3.95. <335
300−3.95. <29.95x. <335−3.95
296.05. <29.95x. <331.05
Approximating 29.95 as 30 , putting x =10 will be within range. Putting, 11 will result in value closer to 330.
x can take values 10 and 11.
Thus, Statement 2, provides two possible values. Hence, Insufficient
Option A
