The barrel is 199 litres of 38% acid. How many percent acid occurs when 61 litres revoke and replace it with the same amount of water?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Percents - easy
How many percent is 432 out of 434?
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
Assistant rewrote 15% of the entire manuscript in 12 hours. How many hours must still write to rewrite the rest of the manuscript?
- Sales off
Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
- Arble bag
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?
I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold?
- The percentages in practice
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
A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people?
Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?
In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
- New refrigerator
New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
- Ratio v2
Decrease in the ratio 12:16 number 13.2.
- Strange x
For what x is true ??
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- Unknown number
Identify unknown number which 1/5 is 40 greater than one tenth of that number.