单选题If hummus costs $10 a pound and tahini costs $7 a pound, then what is the cost, in dollars, of h pounds of hummus and t pounds of tahini?A10(h+70)B10h+7tC17(h+t)D17h+tE17ht
单选题
If hummus costs $10 a pound and tahini costs $7 a pound, then what is the cost, in dollars, of h pounds of hummus and t pounds of tahini?
A
10(h+70)
B
10h+7t
C
17(h+t)
D
17h+t
E
17ht
参考解析
解析：
因为豆泥每磅需要10美元，h磅则需要10h美元，芝麻酱每磅7美元，t磅需要7t磅，所以共需要10h+7t美元。
因为豆泥每磅需要10美元，h磅则需要10h美元，芝麻酱每磅7美元，t磅需要7t磅，所以共需要10h+7t美元。
相关考题：
When comparing the cost of competing projects, which of the following is typically NOT considered?A.Opportunity costs.B.Direct costs.C.Sunk costs.D.Indirect costs.E.Burden rates.
The Cost Performance Index (CPI) measures:A.cost of work performed vs planned costs.B.work performed vs cost of work performed.C.work performed vs planned work.D.direct costs vs indirect costs.E.floating costs vs. sunk costs.
Project cash reserves are often used for adjustment in escalation factors which may be beyond the control of the project manager. Other than possibly financing (interest) costs and taxes, the three most common escalation factors involve changes in:A . Overhead rates, labor rates and material costs.B . Overhead rates, schedule slippages, and rework.C . Rework, cost-of-living adjustments, and overtime.D . Material costs, shipping cost, and scope changes.E . Labor rates, material costs, and cost reporting.
68 The Cost Performance Index (CPI) measures:A. cost of work performed vs planned costs.B. work performed vs cost of work performed.C. work performed vs planned work.D. direct costs vs indirect costs.E. floating costs vs. sunk costs.
17 Using the cumulative cost curve in the special window, height B representsA. actual cost to dateB. total budgeted costs for the projectC. planned cost for month 6D. cost varianceE. earned value
听力原文：M: Hello, can I do anything for you?W: Yes, I need to change foreign moneys. Could you help me change some Canadian dollars in traveler's cheques issued by Royal Bank of Canada?Q: What kind of foreign currencies does the speaker want to exchange?(17)A．Canadian dollars.B．British Pounds.C．U.S. dollars.D．H.K. dollars.
－－ Could you change these pounds for dollars, please? A、It doesn’t matter.B、Do you want small bills or large?C、That’s OK.D、Hold on, please.
听力原文：If a U.S. company wants to purchase goods in Britain and the transaction is settled in sterling pounds, it has to exchange dollars for pounds first.(9)A．The U.S. company has to exchange dollars for pounds to make settlement for the goods imported from U.K.B．The U.S. company must exchange some pounds for dollars before the transaction is made.C．The U.S. company may directly purchase goods in Britain in sterling pounds.D．The U.S. company must exchange dollars for euros first.
听力原文：W: What is the rate of exchange for pound sterling into yen today?M: For cash it is seven hundred and ninety four yen to the pound and for traveler's cheques it is eight hundred and eighteen yen to the pound.Q: What's the exchange rate for cash?(12)A．880 yen.B．794 yen.C．719 yen.D．888 yen.
（ ）is a process of monitoring the status of the project to update the project costs and manage changes to the cost baselineA.Plan Cost ManagementB.Estimate CostsC.Determine BudgetD.Control Costs
How much is this necklace?（）AIt's very nice.BIt's a birthday present from my parents.CIt costs fifty pounds.DIt's a bargain.
How much is this necklace?（）A、It's very nice.B、It's a birthday present from my parents.C、It costs fifty pounds.D、It's a bargain.
问答题Judy plans to visit the National Gallery once each month in 2012 except in July and August when she plans to go three times each. A single admission costs $3.50, a pass valid for unlimited visits in any 3-month period can be purchased for $18, and an annual pass costs $60.00. What is the least amount, in dollars, that Judy can spend for her intended number of visits? dollars
单选题A “fifteen-pound” CO2 extinguisher is so called because（）.Athere are fifteen pounds of CO2 in the containerBthe container，when full，weighs fifteen poundsCthe pressure at the discharge nozzle is l5 psiDthe empty container weighs fifteen pounds
单选题A fifteen-pound CO2 extinguisher（）.Acontains 15 pounds of CO2Bweighs 15 pounds when full of CO2Chas 15 pounds of pressure at the nozzleDweighs 15 pounds when empty
单选题Alex weighs 185 pounds. If he decreases his weight by 10%, what will be his new weight?A160 poundsB166. 5 poundsC170 poundsD170. 5 poundsE175. 5 pounds
单选题Could I change my pounds ______ dollars, please? I’m off to the USA shortly.Afrom Bagainst CforDby
单选题I can’t agree with my Mum. I think that such an old-fashioned dress can’t cost a ______. She says 100 pounds is a real ______.Alot of money; luck Bbargain; luckCfortune; bargainDbig sum; fortune
单选题The restaurant owner bought two hundred pounds of potatoes which contain 99% water content. The potatoes are left in the sun for 4 hours. Now the total water content of the potatoes is slightly reduced to 96%. What is the total weight of the potatoes now?A194.06 pounds. B192.08 pounds. C150 pounds. D50 pounds.
单选题How much is this necklace?（）AIt's very nice.BIt's a birthday present from my parents.CIt costs fifty pounds.DIt's a bargain.
单选题How much does the Chinese government pay Mrs. Wang each month?A1000 pounds.B1200 pounds.C1000 dollars.