Percentages practice problems - page 71 of 111
Number of problems found: 2208
- Two municipalities
The horizontal distance between municipalities is 39 km. The average sinking is 7 permille. What is the difference in height between these municipalities? - Dining questionnaire
In the class of 32 pupils, the class teacher delivered a satisfaction questionnaire to the school canteen. Eleven people have questioned whether they are satisfied with the dining room. The completed questionnaire also included the vote of the class teach - Entrepreneur 6902
If a foreign car costs CZK 630,000 in cash, how much CZK will the entrepreneur pay for it in the three years of the repayment period if he pays an extra 17 percent of the price? - Substance solution
During spraying, there are 4 per mille of active substance per 6 l of water. How many ml of active substance do we add to the spray? - Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percent of sugar is represented in the whole tea? - Budget plan
In the construction of the building, the planned budget exceeded 13%, which was 32,500 euros. How many euros did it cost to build the building? - A perineum
A perineum string is 10% shorter than its original string. The first string is 24. What is the 9th string or term? - Apples 14
Maya bought 18 apples. She used 50% of the apples to make apple pies and mixed 1/3 of the apples with other fruits to make the salad. How many apples were left? - Pyramid cut
We cut the regular square pyramid with a parallel plane to the two parts (see figure). The volume of the smaller pyramid is 20% of the volume of the original one. The bottom of the base of the smaller pyramid has an area of 10 cm². Find the area of the or - Peroxide
How many ml should we pour 30% of peroxide (H2O2) into 100ml H2O to give a 20% solution? - Account operations My PHP 90,000 savings in a bank earns 6% interest in a year. If I deposit an additional PHP 10,000 at the end of 6 months, how much money will be left if I withdraw PHP 25,000 after a year?
- Associative law multiplication
You obtain a 20% discount in a warehouse, but you must pay a 15% sales tax. Which would you prefer to have calculated first: discount or tax? Explain. (result write as: 1 = first discount, 2 = first tax, 3 = no matter what first) - 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?
- Price inflation
This year, the average wage grew by 4.5%. Prices rose by 2%. How much did the real wage increase in the given year? - Parking
At a building parking, 245 spaces are for cars, 56 are for vans, and the rest are for buses. If 14% of all parking spaces are for buses, how many parking spaces are there in the building? How many spaces are for buses? - Hectoliters
If a garden barrel with a 90 cm diameter and a height of 1.3 m is filled to 80% of its capacity, how many hectoliters of water is in it? - Tropical, mild and arctic
How many percent of the Earth's surface lies in the tropical, mild, and arctic ranges? The border between the ranges is the parallel 23°27' and 66°33'. - Cube into sphere
The cube has brushed a sphere as large as possible. Determine how much percent the waste was. - Thousand 6741
The museum sold seven thousand tickets in 3 days. We know that the second day sold 20% more tickets than the first day, and Day 3 sold 10% less than Day 2. How many tickets were sold on each day? - CuSO4 mixture
How many grams of solid CuSO4 do we have to add to 450g of 15% CuSO4 solution to produce a 25% solution?
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