Examples of equations for practice for 12 year olds - page 28 of 59
Number of problems found: 1180
- Construction 7337
A smaller car would bring 40 times the material needed for construction, and a larger car 30 times. When the first and second cars had made 12 trips, the smaller car was recalled, and the larger one was to bring the remaining material. How many more roads - The factory
The factory z can complete an order in 12 days, and factory p can complete it in 18 days. How many days does an order complete when the first two days work only the factory z and then both factories? - Together 7332
One tractor driver would mow the field in 15 hours. Another tractor driver would do the same job in 12 hours. How long will it take them to do the work together if the latter starts plowing two hours later than the former? - Beginning 7325
Since the beginning of last year, Mr. Pilný had a monthly salary of CZK 10,520. From which month (1-12) was his salary increased by CZK 1,400 when he earned CZK 1,332,40 in a year?
- Two-thirds 7319 Bohuš spent a third of his savings on groceries. He paid two-thirds of the amount he had left at the stationery store. After shopping, he still had €18 left. How much € did Bohuš initially have?
- Continued 7310
In one workshop, they will do the given work in 15 days; in another workshop, where more members work, they will do the given work in 10 days. After three days of joint work, only the larger workshop continued the assigned work. In how many days will he f - Remaining 7307
At the hockey match, the stadium was full at the beginning. After the first period, 20% of the fans left; after the second period, one-sixth of the remaining fans left. How many fans were in the stadium at the start of the match if 700 stayed until the en - Two-quarters 7299
Two-quarters of the flowers are red. One-third is yellow, and three flowers are blue. The bouquet has a total of __ flowers. - Harvesters
The first harvester will harvest the grain from the field in 20 hours, and the second, the more powerful, will harvest it in 10 hours. How long will it take for both harvesters to harvest this field if the second harvester has to be set up first, which ta
- Find x
Solve: if 2(x-1)=14, then x= (solve an equation with one unknown) - Unknown number
I think the number. I'll reduce it to its one-third. The result is then increased by one-third, and I get the number 12. - Danina's 7232
Mom bought Honza and Dana's jackets. She paid CZK 1,126 for them. How many crowns did Danina's jacket cost when it was 108 CZK cheaper than Honza's? - Calculate 7221 Calculate exactly when the hour and minute hands on the clock intersect.
- Motorcyclist
From Trutnov, the motorcyclist started at an average speed of 60km/hour. At 12.30hrs, Peter began driving the passenger car at 80km/hour. How many hours and at what distance will a car catch a motorcycle from Trutnov?
- Clubhouse
There were only chairs and tables in the clubhouse. Each chair had four legs, and the table was triple. Scouts came to the clubhouse. Everyone sat on their chair, two chairs were left unoccupied, and the number of legs in the room was 101. How many chairs - Watching TV
One evening, 2/3 of the students watched TV. Of those students, 3/8 watched a reality show. Of the students who watched the show, 1/4 recorded it. What fraction of the students watched and recorded reality TV? - Five-ninths 7036
Five-ninths of the class has already paid CZK 60 for a theatrical performance. So, there are only ten sinners left. How many students go to class? - The quotient
The quotient of g and 55 is the same as 279. What is g? - Two thirds
Find two-thirds of the number equal to two-thirds of 99. Find this number.
One of the supplementary angles is larger by 33° than the second one. Calculate the angles sizes.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
