Efficiency

A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.

Result

p =  50 %

Solution:

Solution in text p =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Next similar examples:

  1. Bureaucracy
    bureaucrat The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people?
  2. Percentages and numbers
    20_percent How many percent is number 426 greater than number 71?
  3. Ratio v2
    pomer Decrease in the ratio 12:16 number 13.2.
  4. Arble bag
    jednohubky_1 A marble bag sold by Rachel's Marble Company contains 5 orange marbles for every 6 green marbles. If a bag has 35 orange marbles, how many green marbles does it contain?
  5. Ratio
    pomer Increase in the ratio 20:4 number 18.5.
  6. Percents
    percents2_10 How many percents is 900 greater than the number 750?
  7. Number
    percent What number is 20 % smaller than the number 198?
  8. The percentages in practice
    plodina If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fro
  9. New refrigerator
    lednice New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
  10. Iron
    250px-Iron_electrolytic_and_1cm3_cube Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?
  11. Class
    children_2 In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
  12. Base, percents, value
    percent_1 Base is 344084 which is 100 %. How many percent is 384177?
  13. Apples 2
    jablko James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
  14. TVs
    tv Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
  15. Seeds 2
    seed How many seeds germinated from 1000 pcs, when 23% no emergence?
  16. Sales off
    up_to_30 Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
  17. Percents - easy
    percents_5 How many percent is 432 out of 434?