Percentages practice problems - page 84 of 111
Number of problems found: 2205
- Sufficient 4019
We want to prepare 200g of 64% alcohol. We have a sufficient amount of 80% and 45% alcohol. How many of which will we need? - Assuming 4015
The seat of the bicycle is 1.2 m high. The cyclist weighs 82 kg, is going down a 15% hill at a speed of 50 km/h, and hits a curb 20 cm high at an angle of 45 degrees. How far from the center of the front wheel's axis is the cyclist thrown? We are assuming - Calculate 3996
The initial share price first fell by 2%, and then this new price rose by 20%. The final share price is CZK 2,400. Calculate the initial share price. - Preparation 3992
4 per mille of active ingredient is needed per 6 liters of water to prepare sprays. How many milliliters of active substance do we add to the sprays?
- Material 3986
There are 1.2 per mille of gold in the rock. How many grams of gold will they get from 45 tons of raw material? - Percentage 3980
Calculate the percentage of waste when we cut out 4 of the largest possible circles from a square sheet with sides of 1 meter. - Increased 3979
The cost of the coat, 1500kc, was reduced by 20% and increased by 20% after a week. What is the price? - Collection 3977
Tomáš brought the collection 20 percent less than Michal. Filip brought half of what Tomas did. Together, they brought 52.8 kg. How much did he bring? - Interest rate
At what annual interest rate would we get an interest of 60 euros on a deposit of € 6,000 for three months?
- Percentage 3971
Students have classes from 8:00 to 12:30. One 15-minute break and three 10-minute breaks between lessons. What percentage of teaching is breaking? - Percents
How many percents is 900 greater than the number 750? - Above 100% Find 340 percent of the numbers 45 and 55.
- Percents of percentages
Calculate: (a) 5% of 25% of 85 b) 4% of 20% of 1500 c) 83% of 20% of 25 d) 0.3% of 70% of 90 - Increase 3946 Increase number 160 by: a) 25% b) 30% c) 150%
- Unknown 3922
16% of the unknown number equals the square root of the number 25. Find this unknown number. - Area and percents
Find what percentage is a smaller cube surface when the wall's surface area decreases by 25%. - Cuboid enlargement
By how many percent increases the volume of the cuboid if every dimension increases by 30%? - Cacao
Cacao contains 34% filling. How many grams of fill are in 130 g cacao? - Unknown number 7 16% of the unknown number is 21 less than the unknown number itself. Determine the unknown natural number.
The bar contains 81g of coconut per 200g. What percentage of coconut does the bar have?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
