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13 Sep 2024, 01:30
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B
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56% (01:10) correct
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A business bought r typewriters at $100 per typewriter and s calculators at $50 per calculator. What is the total cost of the typewriters and calculators?
(1) The s calculators cost $200
(2) 2r + s = 10
(1) The s calculators cost $200
(2) 2r + s = 10
This is a Data Sufficiency Butler Question
Check the links to other Butler Projects:
Check the links to other Butler Projects:
- Data Sufficiency Butler
- Problem Solving Butler
- Sentence Correction Butler
- Reading Comprehension Butler
- Integrated Reasoning Butler
13 Sep 2024, 15:24
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A business bought r typewriters at $100 per typewriter and s calculators at $50 per calculator. What is the total cost of the typewriters and calculators?
(1) The s calculators cost $200
(2) 2r + s = 10
What is the total cost of the typewriters and calculators? = 100*r+50*S
1) 50*s = 200 -> S=4. I still don't have r, so 1) is not sufficient
2) 2r + s = 10, r could be 3 and S 4, but also r could be 2 and S=6 or r=4 and S=2, so 2) LOOKS LIKE IT NOT SUFFICIENT, However, if we multiply those numbers we will get 500 each time.
100*r+50*S = 100*3 + 50*4 = 500 -> sufficient -> ANSWER B
100*4+50*2= 500
100*3+ 50*4=500
(1) The s calculators cost $200
(2) 2r + s = 10
What is the total cost of the typewriters and calculators? = 100*r+50*S
1) 50*s = 200 -> S=4. I still don't have r, so 1) is not sufficient
2) 2r + s = 10, r could be 3 and S 4, but also r could be 2 and S=6 or r=4 and S=2, so 2) LOOKS LIKE IT NOT SUFFICIENT, However, if we multiply those numbers we will get 500 each time.
100*r+50*S = 100*3 + 50*4 = 500 -> sufficient -> ANSWER B
100*4+50*2= 500
100*3+ 50*4=500
14 Sep 2024, 05:47
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We need to find 100r + 50s
Statement 1
50s = $200; s = 4. We don't know what r is. INSUFFICIENT
Statement 2
2r + s = 10
Multiplying both sides by 50
100r + 50s = 500 => This is what we had to find. SUFFICIENT
Answer B.
Statement 1
50s = $200; s = 4. We don't know what r is. INSUFFICIENT
Statement 2
2r + s = 10
Multiplying both sides by 50
100r + 50s = 500 => This is what we had to find. SUFFICIENT
Answer B.
