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A business bought r typewriters at $100 each and s [#permalink] ### Show Tags 24 Sep 2004, 19:35 00:00 Difficulty: (N/A) Question Stats: 0% (00:00) correct 0% (00:00) wrong based on 1 sessions ### HideShow timer Statistics This topic is locked. If you want to discuss this question please re-post it in the respective forum. A business bought r typewriters at$100 each and s calculators for $50 each. what is the total cost of the typewriters and calculators. (1) the s calculators cost$200
(2) 2r+s = 10

Kaplans answer is B. ( ie. 2 is sufficient )

I think the answer is E ( ie. none sufficient ).

Can anybody clarify?.
2r+s does not give one answer.
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24 Sep 2004, 20:52
Total amount=
100r+50s
=50(2r+s)
=50(10)
=500

B.
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25 Sep 2004, 08:39
Agree with hardworker, sometimes we have to be careful with stems while they provide the answer regardless a simple coefficient...
Same issue for pbs with 2 equations and 2 unknow variables...
25 Sep 2004, 08:39
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