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x: 33
y: 23
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
92% (01:53) correct
8%
(02:24)
wrong
based on 359
sessions
History
Date
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Machine A produces x notebooks per hour, and machine B produces y notebooks per hour. Working together at a consistent rate for 8 hours, machines A and B produced 448 notebooks. Machine A produced more than 1/2 of all the notebooks.
In the table, select x and y for values that are jointly consistent with the information given. Make only two selections, one in each column.
In the table, select x and y for values that are jointly consistent with the information given. Make only two selections, one in each column.
| x | y | |
| 23 | ||
| 28 | ||
| 33 | ||
| 58 | ||
| 62 | ||
| 68 |
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Official Answer
x: 33
y: 23
02 Mar 2022, 08:22
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X = 33 & Y = 23
Rate of A = X
Rate of B = Y
Both worked for 8 hours
(X+Y)*8 = 448
X+Y = 56
It is mentioned in the statement that A did more than half of the notebooks.
The value of X should be greater than 28, and the value of Y should be less than 28 to satisfy X+Y = 56 (X = Y = 28 is not possible, because A did more than B)
Now, if we substitute X = 23, Y = 33. Not possible (Since A >B)
X = 28 , No value is there for Y to take. Not possible.
X = 33, Y = 23. Gives a sum of 56. Satisfies the condition A>B
X+Y = 56, so, no need to check the remaining 3 options.
Hope this helps.
Rate of A = X
Rate of B = Y
Both worked for 8 hours
(X+Y)*8 = 448
X+Y = 56
It is mentioned in the statement that A did more than half of the notebooks.
The value of X should be greater than 28, and the value of Y should be less than 28 to satisfy X+Y = 56 (X = Y = 28 is not possible, because A did more than B)
Now, if we substitute X = 23, Y = 33. Not possible (Since A >B)
X = 28 , No value is there for Y to take. Not possible.
X = 33, Y = 23. Gives a sum of 56. Satisfies the condition A>B
X+Y = 56, so, no need to check the remaining 3 options.
Hope this helps.
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