Percentages - practice for 12 year olds - page 14 of 15
Number of problems found: 298
- Bonus
The gross wage was 1323 USD, including the 25% bonus. How many USD were bonuses? - Alcohol
How much 56% alcohol do we need to pour into 22 liters 78% alcohol to get p3% alcohol? How much 76% alcohol do we get? - Percent
From 99 children who participated in the ski course were 23 excellent skiers, 13 good and 20 average and the rest were beginners. Calculate this data in percentages. - Tape
Video is 153% more expensive than a tape recorder. How many percent tape recorder is less expensive than video?
- Christmas
Calculate how much of the school year (202 days long) take Christmas holidays 19 days long. Answer write as a decimal number and as a percentage. - Four pupils
Four pupils divided euro 634 so that the second received 30% less than the first, the third 1/5 less than a fourth, and the fourth euro 95 less than the first. How much money had each of them? - Peroxide
How much-distilled water (in liters) must pharmacists pour into 300 ml of 23.6% solution of hydrogen peroxide to get 2.7% solution to gargle? - Vinegar
We must dilute 16 liters of 8.8% aqueous vinegar to 4.1% one. How much water is necessary to add? - Discount
The product has been discounted twice by 19%. What is the total discount given?
- Bureau of Labor
Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is to spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking, the - Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch? - Company
After increasing the number of employees by 15%, the company has 253 employees. How many employees take? - Divisibility
Determine all divisors of number 90. - Inflation
What is better for people (employees)? ...
- Money
Everyone complains about the lack of money. There is no shortage of money but a relative scarcity of goods and things people buy for the money. Calculate what percentage of the price of all goods and services immediately rose if everyone has the day-to-da - Rectangles
How many rectangles with area 3152 cm² whose sides are natural numbers? - Guess number
With what number should be divided, number 9727 to be reduced by 70%? - Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm². - Iron
Iron ore contains 54% iron. How much iron ore is needed to produce 23 tons of iron?
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