Equations practice problems - page 96 of 242
Number of problems found: 4829
- Finite arithmetic sequence
How many numbers should be inserted between the numbers 1 and 25 so that all numbers create a finite arithmetic sequence and that the sum of all members of this group is 117? - Gas pipeline
Worker Miller excavated the gas pipeline in 15 hours, worker Lawrence in 12 hours, and worker Spencer in 10 hours. After how many hours of joint work will the excavation be completed? - Barrel water remaining
There were 50 liters of water in two barrels. Kate took several liters from the first barrel and watered the vegetables in the garden. From the second barrel, Kevin took as much water as was left in the first barrel and watered the flowers. How many liter - Class boy girl
There were 24 pupils from the whole class on the school trip. Out of 4/7 of all girls, ¼ did not go. Since all the boys went, there were an equal number of boys and girls on the trip. How many students are there in the class? How many boys are there? - Trip passenger calculation
Forty-eight people took part in the winning trip to Paris. There were 4 more family members than people who won the trip. People who did not win the trip but bought the trip from one of the winners were 6 less than half of the passengers on the bus. How m - Two chords
From the point on the circle with a diameter of 8 cm, two identical chords are led, which form an angle of 60°. Calculate the length of these chords. - Consecutive number sum
Five consecutive numbers give the sum of 220. Identify the smallest of them. - Regular hexagonal prism
Calculate the volume of a regular hexagonal prism whose space diagonals are 24 cm and 25 cm long. - Book reading
Suzan reads a book. If she read half an hour a day, she would read it in nine days. How many minutes does she have to read per day if she wants to finish three days earlier? - Robot kit savings
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? - Summands
We want to split the number 110 into three summands so that the first and the second summand are in ratio 4:5, and the third with the first are in ratio 7:3. Calculate the smallest summands. - Bike cost
The father gave his son € 100 to buy a bicycle, which was 40% of the total amount of the bicycle. How much did the bike cost? - Right triangle - ratio
The lengths of the legs of the right triangle ABC are in ratio b = 2:3. The hypotenuse is 10 cm long. Calculate the lengths of the legs of that triangle. - 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? - Number increase puzzle
I think the number. I'll increase it by 2/5. I'll get 63. What number did I think? - Number reduction puzzle
I think the number. I'll reduce it by 1/3. I get 48. What did I think? - School pupil calculation Two-thirds of the school's pupils went on a trip, one-sixth went on an excursion, and 30 pupils stayed while cleaning the school. How many students attend school?
- Equation solving
Solve the equation: (7x-1) / 3 + (5 + 3x) / 2 = 5x - 6 - Columns of two and three When students in one class stand in columns of two, there is none left. When he stands in columns of three, there is one student left. There are five more double columns than three columns. How many students are in the class?
- Train meeting calculation
When and where will two trains that run simultaneously from stations A and B at a distance of 60 km meet if the train from station A ran at 70 km/h and the train from station B at 50 km/h?
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