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两道GMATOG我感觉答案错了,1.Acertainmanufacturerproducesitemsforwhichtheproductioncostsconsistsofannualfixedcoststotaling$130,000andvariablecostsaveraging$8peritem.Ifthemanufacturer'ssellingpriceperitemis$15,h
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两道GMAT OG 我感觉答案错了,
1.A certain manufacturer produces items for which the production costs consists of annual fixed costs totaling $130,000 and variable costs averaging $8 per item.If the manufacturer's selling price per item is $15,how many items must the manufacturer produce and sell to earn annual profit of &150,000?
a.2858 b.18667 c.21429 d.35000 e.40000
2.if positive integers x and y are not both odd,which of the following must be even?
a.xy b.x+y c.x-y d.x+y-1 e.2(x+y)-1
1.A certain manufacturer produces items for which the production costs consists of annual fixed costs totaling $130,000 and variable costs averaging $8 per item.If the manufacturer's selling price per item is $15,how many items must the manufacturer produce and sell to earn annual profit of &150,000?
a.2858 b.18667 c.21429 d.35000 e.40000
2.if positive integers x and y are not both odd,which of the following must be even?
a.xy b.x+y c.x-y d.x+y-1 e.2(x+y)-1
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答案和解析
1.选e固定成本为130000(可以理解为前期设备投入之类的),然后每件成本为8,售价15,假设需要卖出x件15x-8x-130000=150000 x=400002.x 和y 为1奇数 1偶数； 或者是x,y都是偶数答案需要找出肯定是偶数的选项,只能是a 啊....
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