# Percentages + direct relationship - practice problems

#### Number of problems found: 25

- Expansion

If one side of the rectangle is larger 4-times and second 2-times, what percentage increases the area of rectangle? - Potatoes

Potatoes contain 78.6% starch. How many potatoes need to obtain 27 kg of starch? - Acid

The barrel is 199 liters of 38% acid. How many percent acids occur when 61 liters revoke and replace with the same amount of water? - Election mathematics

In elections, 12 political parties received this shares of voters: party A 56.2 %party B 8.5 %party C 8.2 %party D 6.2 %party E 6.1 %party F 5.5 %party G 3.2 %party H 2.1 %party I 2 %party J 1 %party K 1 % Calculate what the shares acquired in the parliam - Engineer Kažimír

The difference between politicians-demagogues and reasonable person with at least primary education beautifully illustrated by the TV show example. "Engineer" Kažimír says that during their tenure there was a large decline in the price of natural gas, pri

We apologize, but in this category are not a lot of examples.

Do you have an exciting math question or word problem that you can't solve? Ask a question or post a math problem, and we can try to solve it.

Do you have an exciting math question or word problem that you can't solve? Ask a question or post a math problem, and we can try to solve it.

Our percentage calculator will help you quickly calculate various typical tasks with percentages. Percentages practice problems. Direct relationship - practice problems.