The gold coin

The gold coin contains 900 per mille of pure gold. The coin weighs 950g. How much per mille is gold? How many grams are gold?

Correct answer:

p =  900
m =  855 g

Step-by-step explanation:

p=900=900 ‰
m0=950 g  m=m0 p1000=950 9001000=855 g

We will be pleased if You send us any improvements to this math problem. Thank you!


Tips to related online calculators
Our permille calculator will help you quickly calculate various typical tasks with permilles.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Gold coin
    gold_munzen Gold coin contains 964 promile pure gold, which is 7.16 g. What is the weight of coin in grams?
  • Bath salts
    salt Bath salt A weighs 900 grams and costs 36,40 CZK. Bath salt B weighs 1000 grams but costs 85 CZK. How much is a bath salt A cheaper than B salt?
  • Three examples per-mille
    promile A. Calculate 1.5 ‰ from 4.5 liters of blood. Express the result in milliliters. B. Calculate three ‰ from € 50,000. C. The tray they brought breakfast to the landlord's bed is made of an alloy that contains 830 ‰ of silver. How much silver did they use on
  • Bracelet
    ring The silver bracelet weighs 62g and contains 59g of silver. What is the purity of the bracelet?
  • Uranium ore
    uran Uranium ore contains 0.2% of pure uranium and pure uranium contains 0.07% of fissile uranium. How many grams of fissile uranium contains 2800 ton of uranium ore?
  • Drunk and alcohol
    opilci One drunk measured 2.7 ‰ alcohol in the blood, another 1.75 ‰. How many grams of alcohol in the blood they had if they has 6 kg of blood?
  • Wood
    timber Wood contains 12% water. 1 m3 of wood weighs 650 kg. How many liters of water it contains?
  • Grams
    chemia How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution?
  • Percents
    percents2 How many percents is 900 greater than the number 750?
  • Permill
    permille How many permill is 978 from 84370?
  • The railway
    vlak2 The railway line has a gradient of 12 per mille. How many meters will it ascend to a horizontal distance of 4 km?
  • River
    kongo_river Calculate how many permille river Dunaj average falls, if on section long 957 km flowing water from 1454 m AMSL to 101 m AMSL.
  • Acid solution
    h2so4 By adding 250 grams of a 96% solution of sulfuric acid to its 3% solution its initial concentration was changed to 25%. How many grams of 3% of the acid were used for dilution?
  • CuSO4 mixture
    chemia How many grams of solid CuSO4 we have to add to 450g of 15% CuSO4 solution to produce a 25% solution?
  • Drunk man
    drunk-man Drunkman has 2.6‰ of alcohol in the blood. How many grams of alcohol has in blood, if he have 5 kg of blood?
  • Butter fat
    butter A quarter of kg butter contains 82% fat. How many grams of fat are in four cubes of butter?
  • Cacao
    chocholate Cacao contains 34% filling. How many grams of filling are in 130 g cacao.