# Acid

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?

**Result****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:

- Apples 2

James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam? - Base, percents, value

Base is 344084 which is 100 %. How many percent is 384177? - Seeds 2

How many seeds germinated from 1000 pcs, when 23% no emergence? - Assistant

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? - Goods

To the market is introducing a new product, the first week is sold at a reduced price. 8 products is sell at an entry price same as 5 products at the normal price. How much % is reduced price less than the current price for this product? - Percentage - fractions

About what percentage we must increase number 1/6 to get number 1/3? - TVs

Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase. - Efficiency

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

What number is 20 % smaller than the number 198? - Class

In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing? - Iron

Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron? - Class

In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class? - Bureaucracy

The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people? - Strange x

For what x is true ?? - Ratio

Increase in the ratio 20:4 number 18.5.