全部製造的rakes有4X隻 (一共有4X之要被運送) 月份 未被運送的rakes 三月 7X/2 四月 6X/2 五月 5X/2 六月 4X/2 七月 3X/2 八月 2X/2 九月 X/2 十月 0 storage cost: 0 +(7X+6X+5X+4X+3X+2X+X)/2 =28X/2=14X 0:11~2月 (7X+6X+5X+4X+3X+2X+X)/2:3~10月 14X*0.1=1.4X ※ 引述《uuhambur (威爾柏 )》之銘言： : 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 : 請問此題怎解?THX --

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