Examples of equations for practice for 12 year olds - page 18 of 59
Number of problems found: 1180
- Used cars
Peter plans to buy a used car: The first car was a Renault Espace 2.0 dCi 16V Dynamique 2006, which cost 2000 euros. It is 14 years old and has a combined diesel consumption of 8 liters. / 100 km. Diesel costs 1.1 euros/liter. How much will the car cost h - Apprentices 30051
Four apprentices worked on a glove order for 20 days. How long would it take for eight apprentices to complete the contract in the same job? - Production 29901
Calculate how many people are in production, if there are 1/5 workers on the morning shift, the afternoon shift has 3/10, and 50 people will join the night shift. - Consecutive 29761
Determine three consecutive natural numbers, the sum of which is 66.
- Worker salary
The worker had a salary of CZK 18,000. During the year, his salary was increased by a quarter. He earned a total of CZK 247,500 for the whole year. From which month was his salary increased? - Reading
If I read 15 pages a day, I will read the whole book in 18 days. How long will it take to read a book if I only read nine pages every day? - Sum of seven
The sum of seven consecutive odd natural numbers is 119. Determine the smallest of them. - Delivered 28881
They delivered the same number of cans of stuffed cabbage leaves and leche with sausage to the store. On the first day, they sold 10 cans of cabbage leaves and 85 cans of leche. So there were six times more cans of cabbage leaves than cans of leche. How m - Magic bag
The number of tolars in the magic bag doubled each time the prince crossed the bridge. But then the devil always conjured 300 tolars for him. When this happened for the third time, the prince had twice as much as he had in the beginning. How many tolars d
- Traveling 28813
The ship set sail at 6 A.M. and traveled at a speed of 16 km per hour. At 8:30 A.M., a speedboat was sent behind her, traveling 24 miles per hour. When will the boat catch up? - Three-quarters 28581
Jarek went for a one-day strawberry picking. In the morning, he collected two-fifths of the required amount; in the afternoon, he collected 5 kilograms less than in the morning, and in total, he collected three-quarters of the required amount. How many ki - One press
One press will produce one truck of respirators in 3.5 days and the second in 10 days. How long does it take to fill a truck while working together? - Grandchildren 27181
Grandma baked buns, which she wanted to divide fairly among her grandchildren. If she gave everyone 5 buns, she would have 2 buns left. If she gave each grandchild 6 buns, she would be missing 3 buns. How many grandchildren does grandma have? How many bun - Five-blade 27091
Tractor operator Formánek can plow Mr. Kafka's land in 30 hours using a plowing set with a four-blade plow. The tractor driver Divíšek, plowing with a five-blade plow, can plow Kafka's land in 24 hours. In how many hours will the two tractor drivers plow
- The sum
The sum of five consecutive odd numbers is 75. Please find out the sum of the second and fourth of them. - Multiplied 26421
The number x decreases by 10, the result is multiplied by six, and you get the number 18 - Quarter 26363
There were buns in the basket on the table. Josef ate half of the half, Eva ate the rest, Katka ate two buns, and Dunčo ate a quarter. How many buns were on the table? - Everything 25961
They have a third of everything in the kit store. Pepin has 1,200 crowns saved and wants to buy a space robot kit, which costs 1,950 crowns before the discount. How many crowns does he still have to save? - The tourist
The tourist walked a quarter of the way on the first day, a third of the rest on the second day, and 20 km on the last day. How many kilometers did he walk in three days?
I think the number. I'll increase it by 2/5. I'll get 63. What number did I think?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
