Examples of equations for practice for 12 year olds - page 10 of 58
Number of problems found: 1143
- Nearest 64894
We can write the number 1003 in the form 7n + 2. Which can we write the nearest number in this form? - Collection 64884
Five friends compared how much old iron they brought to the collection. On average, it was 55 kg, but Ivan got only 43 kg. How many kg on average did they bring without Ivan? - Collected 64494
A group of scouts works in the woods. A third of them cleaned the stream. A quarter collected timber, and the remaining ten planted trees. How many scouts were on the brigade? - Amount 64464
There are 12,000 tons of coal on the first dome and 2,200 tons on the second. They take 80 tons from the first kick every day and 60 tons from the second. How many days will the same amount of coal be on both kicks?
- Horses 63954
A herd of horses grazes in the meadow. They have 78 legs more than their heads. How many horses are in the herd? - Newspapers 63904
From Monday to Friday, 9650 newspapers were sold, on Tuesday 1680 were sold, on Monday 50 more than on Tuesday, on Wednesday the same as on Tuesday and on Thursday 2x more than on Tuesday. How many newspapers were sold on Friday? - Remaining 63364
Juraj pays from a monthly pocket quarter for a snack, a fifth for drinks, and a third for technical details for a PC. He saves the remaining 13 euros. What's his monthly pocket money? - Lengths 63174
The block has a square base of 36 dm2, and its height is 1/3 of the length of the base edge. Find the sum of the lengths of all edges of a block. - Number 63044
What number is under the letter D if: 88-A = 8 D = C: 10 B + 20 = A 5.B = C
- Mr Adam
Mr. Adam saved € 850. If Mr. Boris had half and a sixth more than he should, they would have the same with Mr. Adam. How many euros has Mr. Boris saved? - The proportion
Solve for N in this proportion: 6/5=30/N? - Two boys 2
Two boys cycled around a cycling track. After cycling 3/5 of the distance, they had covered 54 meters each. Calculate the total distance the two boys will cover when they cycle around the track once. - Solve 9
Solve the equation. Check the solution. start fraction lower t over 6 end fraction = 12 (t)/(6) = 12 - How many
How many euros will Mr. Kováč earn if he gives two-fifths of his earnings to repay the loan, one-quarter of his earnings for an apartment and a telephone, and he has 350 euros left for other expenses?
- Peter's 60371
How old is Peter's brother now if he has four times as many in 15 years as he did 15 years ago? - Five people
Five people can finish painting a wall in 4 hours if only two people are available. How many hours do they have to work to finish the same job? - Three cottages
141 guests are accommodated in 3 cottages. In the second cottage, there are eight guests more than in the first cottage, and in the third cottage, there are 14 guests more than in the second cottage. Find out how many guests are staying in the first cotta - The morning
The temperature rose 9 degrees from 10:00 AM to noon. By 3:00 PM, the temperature had doubled. From 3:00 PM to 6:00 PM, the temperature rose 4 degrees to 96 degrees. What was the temperature at 10:00 AM that morning? - The ratio 6
The ratio of cats to dogs is 2 to 5. if there are 35 total animals in the shelter, then how many are dogs?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.