Percentages + simple proportion - practice problems
Number of problems found: 24
- 14 percent
If 14 percent is 56, what is the base? - 100% 8374
28 is 100% 13 is x% - Six percents
6% of the base is 21. How much is 28% of this base? - Sixty
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total? - Percentage 83199
The selling price is 5.75 EUR, and the buying price is 4 EUR. By what percentage was the price increased? - Production 21923
The company produced 300 vehicles a day. What percentage did production increase when they made 1,560 vehicles in 5 days? - Balloons 72174
On the first day, 25% of the balloons were sold. On the second day, 45% of the balloons were. How many percents of balloons did they have left on the third day? - Drying apples
By drying, apples lose 85% of their weight. How many kgs of dried apples do we get from 820 kilograms of fresh? - Discount 67354
Skates have fallen by 36% after the winter season on sale. Their price after the discount was 48 euros. What was the original price? - Discount 3583
The TV cost € 420 after a 9% discount. How much did he cost before the discount? - 15% of
15% of the revenue from sales was CZK 24,000, and it had to be written off as sales tax. What was the net profit on sales? - Section 6538
The tourist section planted 145 trees in the spring, which is 15% more than planned. How many trees did they plan to grow? - Construction 4130
By improving the work process, constructing a family house saved CZK 111,600, which was 9% of the total budget. What was the original budget for a family house? - Glue strength
At 40°C, it takes 3 hrs to get 125% glue strength. How long does it take to get 100% at 50 ˚C? The higher the temperature, the faster it cures the glue. - Feed to hay
How many tons of water do we have to dehydrate from 8 tons of feed if the original moisture is 54 percent to get hay with a moisture content of 15 percent? Round to two decimal places. - Calculated 6501
Alenka calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book? - Cross-country competition
The cross-country competition was attended by 76% of pupils of class 9B. The class consists of 16 boys, two of whom did not run, and four girls did not run. How many girls go to class 9B? - Raw meat
The school cafeteria prepares 490 servings of 50 g of boiled meat for one lunch. Meat loses 30% of its weight by cooking. How many kilograms of raw meat must the school canteen prepare for this lunch to cook? - Outstanding 5054
I have the amount of CZK 6,155, and I need to divide it as a percentage into two outstanding amounts CZK 12,000 and CZK 35,000. How much money will I send to each of them? Thank you for your answer'. - One-third 6009
In the forest nursery, children planted new trees for 3 days. They planted a total of 84. On the second day, they planted 75% of what they did on the third day. On the first day, they planted exactly one-third of all planted trees. How many trees did the
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