Equations practice problems - page 25 of 247
Number of problems found: 4938
- Anna had 2
Anna had 2 times more money than Betty. Celia had 12 euros more than Anna. Together, they had 92 euros. How much did each of them have? - Prizes - competition
For the prizes for the three best competitors a sum of money in crowns was prepared. The first competitor got half of this sum. The second competitor got 300 crowns. The third competitor got the rest of the prepared amount, which was three times less crow - Pack of cream
A mother uses one pack of cream in 12 weeks, and a daughter uses it in 14 weeks. They used the cream together for four weeks, after which only the daughter used it. How many more weeks did the cream last? - Red bouquet
A third of the flowers in a bouquet are red, and six are yellow. How many flowers are there in the bouquet in total? How many are red? - Apples from grandma
There were apples on the table. Milo took 1/3 of them. There were 6 apples left on the table. How many apples did Milo take? - Double the number of apples Adam and Ben were picking apples. Together they picked 77 kg of apples. How much did each collect, given that Adam collected 5 kg more than twice what Ben collected?
- X-ray intensity
The intensity of X-ray radiation is halved when passing through a 13.5 mm thick lead layer. Determine the thickness of the lead plate that will reduce the radiation intensity to one tenth of its original value, given that the intensity decreases exponenti - Equation - integers
Solve the equation for the unknown x from the set of natural numbers: 1 + 6 + 11 + 16 + … + x = 970 - Sweets
There are 12 sandwiches on a plate: 5 with poppy seeds and 7 with jam. How many cheese sandwiches must be added so that the probability of randomly selecting a poppy seed sandwich is 20%? - Penny and rolls
For one hundred crowns I need to buy exactly one hundred pieces of pastry at the following prices: rolls at 0.50 crowns each, bread at 10 crowns each, and buns at 3 crowns each. How many of each should I buy? (The Slovak koruna was the currency in Slovaki - Seventh and multiplication table
If we add one seventh of an unknown number to one sixth of it, we get 13. What is that number? - Blueberries - total
Peter can fill a container with blueberries in 3 hours, and Jane in 2 hours. How long will it take them to fill the container together? - Horses 6
A farmer bought feed for 6 horses for 5 months. After two months, he sold 2 horses. How many months will the remaining feed last? - On a bicycle 5
Clara left the town square on her bicycle and rode toward the city at an average speed of 20 km/h. Johnny left the same square on his bicycle 15 minutes after Clara and rode in the same direction at an average speed of 30 km/h. How long did it take Johnny - Postage stamps 2
Paul collects postage stamps. He has the same number of one-crown and three-crown stamps in his collection, and he also has five-crown stamps, which are twice as numerous as the one-crown stamps. The sum of the face values of all the stamps is 448 CZK. Ho - Unknown number x If I multiply an unknown number by 4 and subtract 8.4 from the result, I get the same result as if I multiply the unknown number by 3 and add 15.1. Determine the unknown number. Write the result as a decimal.
- Elementary Art School
The music and art department of an elementary art school is attended by 86 students. The music department is attended by 45 students and the art department by 53 students. Some students attend both departments. How many students attend both departments at - We are delayed
A train had to travel the distance from A to B at an average speed of 56 km/h. After a 1.5-hour journey from station A, the train stopped for 30 minutes. To reach station B on schedule, it had to travel the remaining distance at an average speed of 63 km/ - MAT Test
Students wrote a maths test. 5/18 of the students received a grade of 2, 2/9 received a 3, and 1/6 received a 4. 12 students received a grade of 1. How many students wrote the maths test? - On the board A division problem with two positive numbers was written on the board. David noticed that if he increased the dividend by 2 and the divisor by 7, the quotient would not change. By how much should the divisor be increased so that when the dividend is incre
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