作者pinkdejavu (爱人不变朋友实在太难)
看板GMAT
标题Re: [计量] GWD5-11
时间Wed Oct 3 01:18:40 2007
the end of Feb, the business got 4x rakes
Mar.. 1/2x rakes out.. 7/2x rakes left.. need to pay 7/2x*0.1
Apr 1/2x rakes out.. 6/2x rakes left.. need to pay 6/2x*0.1
.
.
.
7/2x*0.1+6/2x*0.1+....
=1.40x
※ 引述《uuhambur (威尔柏 )》之铭言：
: Q11:
: A certain business produced x rakes each month form November through
: February and shipped x/2 rakes at the beginning of each month from March
: through October. The business paid no storage costs for the rakes from
: November through February, but it paid storage costs of $0.10 per rake
: each month from March through October for the rakes that had not been shipped. In terms of x, what was the total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?
: A. 0.40x
: B. 1.20x
: C. 1.40x
: D. 1.60x
: E. 3.20x
: 请问此题怎解?THX
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4F：推 vanillatown:唉挨打太慢了... 10/03 01:20
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7F：推 uuhambur:感谢大家阿~~是我自己太笨了 10/03 01:26
8F：→ uuhambur:一开始算成了3X 10/03 01:27