Equations practice problems - page 166 of 250
Number of problems found: 4997
- Savings
Eve lent 1/3 of her savings to her brother, 1/2 of her savings spent in the store, and 7 euros left. How much did she save? - Highway tunnel
The company built the highway tunnel from two ends in the north-south direction. The average daily performance of the "northern party" rasters was higher than the average daily power of the "southern party" rasters. After 55 business days, both parties me - Four-ninths of pupils
Pupils at school choose a circle. A third of them chose athletics, four-ninths of the pupils chose ceramics, and the remaining 12 pupils chose floorball. How many pupils are there in the school? How many signed up for individual circles? - Vehicle speed
The distance between the two cities is 60 km. It takes a slower vehicle half an hour longer to travel this distance than a faster one traveling at speed 50 percent faster. How fast is each vehicle going? - Number Operation Fraction Result
I think the number. If I reduce it three times, increase the proportion by 5/6, and decrease the sum 0.5 times, I get 2 1/7. What's the number? - Knife Collection Count
Livia, Paula, and Samuel collect knives. Paula has more of them than Livia and Samuel combined. Livia only contains blades for a short time, so she only has 5 of them, which is the least. They have a total of 25. How many knives does Samuel have? - Triangle Side Lengths
The triangle has side lengths expressed in whole centimeters. One of them measures 8 cm, and the sum of the remaining two sizes is 32 cm. Determine the lengths of the remaining sides. Find all solutions. - University students
One company employed a university student on a farm for the entire month of June by paying him €16 and a full board for one day. If he did not work that day, he had to pay €6 for the meal. How many days did the student work if he earned €348 in the month - Two workers
Two workers should fulfill specific tasks together for five days. If the first worker increased their performance twice and the second twice fell, it took them just four days. For how many days would he handle the entire task, the first worker himself? - Four Proportional Numbers
The first number is 50% of the second, the second number is 40% of the third, and the third number is 20% of the fourth. The sum is 396. What are the numbers? - Hotel
The rooms in the mountain hotel are double and triple. Double rooms are 25, and triple rooms are 17 more. How many rooms are there in this hotel? - Circle diameter
The span of the arc is 247 cm, and the height of the arc is 21.5 cm. What is the diameter of the circle? - Cars Meeting Speed At 10:00 AM, two cars drove against each other from places 240 km away. One was driving at an average speed of 70 km/h. What was the speed of the other when they met at 11:30?
- Number Three Quarters Greater
Find the number whose three-quarters is five more than its one-third. - Two Workers Work Days
Two workers would do the work together in 2 days. The first would do some work here in 6 days. In how many days would the second worker do this work? - Parallelogram - sides
One side of a parallelogram is 8 cm long, which is two-sevenths of its perimeter. Calculate the length of the other side of the parallelogram. - Cakes
1/3 poppy cake, 1/3 apple, and 15 pieces of cheese. How many are the total cakes? - Z7-I-5 MO 2017
Prokop constructed a triangle ABC whose interior angle at vertex A was greater than 60° and whose interior angle at vertex B was less than 60°. Juraj drew, in the half-plane determined by line AB and point C, a point D such that triangle ABD was equilater - Soccer Ball Price
How much does a soccer ball cost if 6/7 of its price is €12? - Clouds
We see the cloud under an angle of 26°10' and the Sun at an angle of 29°15'. The shade of the cloud is 92 meters away from us. Approximately at what height is the cloud?
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