Percentages + expression of a variable from the formula - practice problems - page 3 of 11
Number of problems found: 214
- Gardeners 18653
Gardeners planted 16% more currant bushes than initially planned. They planted a total of 145 shrubs. What was the original plan? - Obtained 4484
25% oil is obtained from one flaxseed. From how many kg of flax seeds is 1.5 kg of oil obtained? - The enrolment 2
The enrolment at a school has increased from 1400 learners to 1600 learners over 5 years. What is the percentage increase in enrolment? - The angles ratio
The angles in the ABC triangle are in the ratio 1:2:3. Find the angles' sizes and determine what kind of a triangle it is. - Growth of wood
The annual growth of wood in the forest is estimated at 2%. In how many years will make the forest volume double? - Sales off
The price has decreased by 20%. How many percents do I have to raise the new price to be the same as before the cut? - Sale discount
The product was discounted so that eight products at a new price cost just as five products at an old price. How many percent is the new price lower than the old price? - Solutions, mixtures
How many liters of 70% solution must we add to 5 liters of 30% solution to give us a 60% solution? - Vacation
Tomas spent 60% of his savings on his weekly vacation. He had 32 € left. How many euros did he have before vacation? - Reduction 3745
The laptop faced a discount of x euros. After a 15% reduction, it cost 595 euros. How many euros cost the laptop before? - Wednesday 3391
On Monday, three pupils were missing from the class, 12% of the total number of pupils. How many pupils were missing on Wednesday if 84% of all pupils were in school? - The balance 2
If your balance at the end of 4 years is 50000, at a 5% interest rate, What was your original investment? - After 9
After reducing the price by 10%, the dress costs 270 GEL. What was the cost of the dress before it got cheaper? - Peter 17
Peter ate 9 ounces of chocolate cake which was 75% of the entire cake. Which expression can be used to find the size of the full cake? - Former price
The price of an article is cut by 10% to restore it to its former value. By what percent the new price must be increased? - Meat loses
Meat loses 18% of its weight by smoking. How much raw meat does the butcher uses to manufacture 35 kilos of smoked? - Calf
The weight of the calf meat obtained is 65% of the total weight of live calves. What was the weight of a calf from which 285 kg of meat was obtained? - Written 81992
8% of the price of the machine is written off every year. In how many years will the price drop from 250,000 to 150,000? - Expensive 19583
Zuzka and Katka bought skis. Zuzkyně was 25% more expensive than Katkiny. How much more were Katka's skis cheaper than Zuzka's? - Percent 6567
Jana spent CZK 366 on books, which was 75 percent of her savings. How much CZK did Jana have saved?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.