System of equations - practice for 14 year olds - page 33 of 61
Number of problems found: 1212
- Together 7309
Marta bought 10 kg of rice and 25 kg of flour for 40 euros. A kilogram of flour and a kilogram of rice together cost 1.80 euros. How much does 1 kg of each type of goods cost? - Karel's 7305
Paul's age is 60% of Karel's age. In 15 years, Paul's age will equal 80% of Karel's age. How old is Pavel? - Employed 7292
Mr. Janda's factory employs three times as many men as women. There are 190 fewer women employed in this factory than men. How many men and women are employed in this factory? - Bucket
Half-filled bucket with water weighs 5.55 kg. The full bucket weighs 9.85 kg. How much does the bucket weigh?
- Compartments 7275
Tomáš has two compartments with CD-ROMs. The arithmetic average of the number of CDs in both bins is 30. If he added 10 more CDs to the first bin, there would be 1.5 times more CDs than in the second bin. How many CDs are in each compartment? - Provides 7260
How much money does a brother have, and how much does a sister have if she pays: if a brother gives a sister CZK 24, they will have the same. If a sister provides a brother with CZK 27, will the brother have twice as much? - On the 4
On the way to play disc golf with his two boys, Mr. Smith purchases three muffins and two water bottles, totaling $9.75. The following week he only had Asher with him, so he bought two muffins and one bottle of water totaling $6.00. What is the cost of on - Home cleaning
Mr. Smith is cleaning up a big mess at home. In the closet, he finds a solution that is 5% bleach and another stronger solution that is 20% bleach. For this particular job, he needs 600mL of 15% bleach. How much of each type (to the nearest mL) should he - Dirty road
Mr. Smith is on a road trip to a remote disc golf course 180km away. He travels part of the way at 100km/h along the highway and part of the way at 50km/h along dirt roads. If it took 2 hours to get there, how many hours did he spend on dirt roads?
- A man 2
A man divides $10,000 into two investments, one at 10% and 30%. Find how much is invested at each rate so that the two investments produce the same income annually. - Father 7222
Now a father is five times as old as a son. In 2 years, the father will be four times as old as the son. How old is Dad, and how many are Son now? - Precisely 7199
If Peter had 700 CZK more, he would have the same as Jirka. Zdenek has a third of what Peter precisely. Together they have 7000 CZK. How much does everyone have? - Originally 7182
Together, Peter and Jano had 52,000 stamps in their collection. To compete with their friend, they must have 56700 marks. They agreed that Peter would increase his collection by 8 percent and Janko would give 10 percent more than he has. How many marks di - Languages 7160
Out of 100 students, 30 studied German, 28 studied German, 42 learned French, eight studied German and German, 10 German and German, and 5 German and German. How many students have learned all three languages?
- Filip's 7158
Filip's friend is three times younger than Filip's father. He will be two years younger. How old is Filip's friend? - Mathematical 7136
Out of 50 pupils, 44 solved at least one of the Olympiads - MO Mathematical Olympiad and BO Biology Olympiad. Twenty pupils still need to solve the MO. Of those who dealt with both Olympiads, 1/3 of those who dealt with just one were. How many pupils solv - Two numbers 7
The sum of two consecutive even numbers is 30. Find the numbers. - Father and son
Father and son weigh together 108kg. The father weighs 2.6 times more than his son. How much does the weight of my father and son count? - The tourist
The tourist traveled 190km in 5 hours. Part of the journey passed at 5 km/h. The rest he went by bus at a speed of 60 km/h. How long has a bus gone?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.
Do you have a system of equations and are looking for calculator system of linear equations? System of equations - math word problems. Maths practice for 14 year olds.