# Percentages + simple proportion - practice problems

#### Number of problems found: 8

- 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. - 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? - 14 percent

If 14 percent is 56, what is the base? - 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? - Collecting

For the first week of material collection events are picked up at the school 850 kg of paper and 305 kg of rags which represented 55% of total collection for 14 days. How many kilograms of secondary raw materials were handed over totally? - Drying apples

By drying, apples lose 85% of their weight. How many kgs of dried apples do we get from 820 kilograms of fresh? - Cross-country competition

Cross-country competition was attended by 76% of pupils of class 9.B. Class consis of 16 boys, two of whom did not run and 4 girls did not run. How many girls go to class 9.B?

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