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A saleswoman s monthly income has two components, a fixed [#permalink]

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09 Jul 2006, 04:25

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C

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E

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A saleswomanâ€™s monthly income has two components, a fixed component of $1000 per month, and a variable component, which is $C for each set of encyclopaedias that she sells in that month over a sales target of n sets. How much did she earn in March?

(1) If she had sold three fewer sets, her March income would have been $600 lower.
(2) If she had sold 8 sets of encyclopaedias, her income in March would have been over $4000

A saleswomanâ€™s monthly income has two components, a fixed component of $1000 per month, and a variable component, which is $C for each set of encyclopaedias that she sells in that month over a sales target of n sets. How much did she earn in March?

(1) If she had sold three fewer sets, her March income would have been $600 lower. (2) If she had sold 8 sets of encyclopaedias, her income in March would have been over $4000

ummm, not sure but i'll take shot at it.
either E or C, i'll pick E.

A saleswomanâ€™s monthly income has two components, a fixed component of $1000 per month, and a variable component, which is $C for each set of encyclopaedias that she sells in that month over a sales target of n sets. How much did she earn in March?

(1) If she had sold three fewer sets, her March income would have been $600 lower. (2) If she had sold 8 sets of encyclopaedias, her income in March would have been over $4000

(C)
I. implies, either C = 600, or 2C = 600, or 3C = 600
II. C(8-n) > 4000 --insufficient

Assuming, n to be a non-zero no. we get n = 1, C = 600, => sufficient