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17 Jul 2008, 23:46
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A saleswoman's monthly income has two components, a fixed component of $1000 per month, and a variable component, which is $C for each set of encyclopedias that she sells in that month over a sales target of n sets, where n > 1. How much did she warn in March?
(1) If she had sold three fewer sets than she actually did, her March income would have been $600 less.
(2) If she had sold 8 sets of encyclopedias, her income in March would have been over $400
Explain your answer please.
thanks
(1) If she had sold three fewer sets than she actually did, her March income would have been $600 less.
(2) If she had sold 8 sets of encyclopedias, her income in March would have been over $400
Explain your answer please.
thanks
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18 Jul 2008, 00:34
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E for me
Let A be her total income in March
Let X be the total number of encyclopedias she sold in March
then we have
1000 + (X-N)C = A....(1)
1) 1000 + (X-3-N)C = A - 600
subtracting this eqn from above (1) we can get the value of C.
But still we don't know the value of X
2) insuff alone. (we don't know value of C)
(I didn't understand this sentence, as her fixed component of earning is >1000$
what is meant by over 400$?)
Together insuff as well.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
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Thank you for understanding, and happy exploring!
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