Problems of mathematics and economics

Posted by Anonymous and clasified in Problems of Economy of Secondary School.

Written at February 11, 2009 on esEspañol, translated to enEnglish and with a size of 3,440 bytes.

1) Pablo and Sebastian won a prize in the lottery, which are dealt right. If Sebastian receives $ 140,000 less than Paul. What is the prize they received?

2) A secretary must do work in 40 days with a 9-hour working day. How many hours a day, the secretary shall work, if you must do the same job in 30 days?

3) A zoo has food for 250 days and for 52 animals. For how many days to reach food, if the number of animals decreases by 12?

4) A car spends 40 liters of gasoline to travel 510 kilometers. How many gallons will spend to travel 204 kilometers?

5) A contractor estimated that 6 workers can finish the work within 15 days. How many workers will need to finish the work in 9 days?

6) Two brothers share a legacy of the father on account of $ 4,000,000. What is the difference between what you receive each of the brothers?

7) Fifteen workers made 128 vests in 32 working days. How many workers are recruited to make the same amount of vests in 20 days?

8) In a school were painted 200 square meters and failed to paint the patio of 60 square meters. What is the ratio of the total area to be painted and the painted area?

9) A person decides to invest $ 300,000 in financial giving a semiannual yield of $ 25,000. What performance will give a deposit of $ 450,000 in the same conditions, during the same time?

10) If one dollar (U.S. $) is $ 584. How many dollars are $ 8760?

11) If a UTM is $ 30,236. How much is in a fine of 3.5 pesos UTM?

12) If UF is $ 17,452. How much is in dollars assessed property in 2500 UF?

13) If one Euro is $ 1,345. How many Euros are U.S. $ 16,678?

14) Francisco has a lot in the area of 15,000 square meters () and decides to buy the parcel that the neighbor sold 1.3 hectares (Ha). How many total acres is Francisco?

15) The capacity of a reservoir of oil to be 270,000 cubic centimeters. What is the total capacity of the tank in liters?

16) If an inch (in) is 2.54 centimeters. How many inches equals 116.84 meters? 17) If one foot (foot) is 30.48 inches. How many feet equals 21.336 meters?

18) How many square tiles of side 5 cm has to buy, to cover a square of side yard 8 meters?

19) A role costs $ 5,800 to be sold at a discount of 15%. What is the value of the discount?

20) A person had a salary of $ 320,000, bought food for the month and paid the bills. If at the end you were $ 40,000. What% of money spent?

21) What number increased by 24% turns out to be 48,360?

22) What discount rate is done in a debt of $ 380,000 is reduced to $ 323,000?

23) What number decreased by 17% proves to be 212,480?

24) A trader buys a $ 350,000 computers at what price has to sell to earn 18% of the purchase price?

25) Carlos bought a commodity by $ 600,000 and sold for $ 450,000. What is the percentage of loss that was?
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Tags:economics,mathematics,problems,uf,utm,if
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