Percentages + simple proportion - practice problems - last page
Number of problems found: 24
- Discount 3583
The TV cost € 420 after a 9% discount. How much did he cost before the discount? - Collecting
For the first week of material, collection events are picked up at the school 850 kg of paper and 305 kg of rags, representing 55% of the total collection for 14 days. How many kilograms of secondary raw materials were handed over in total? - 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
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?
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