Equations practice problems - page 218 of 250
Number of problems found: 4996
- On the farm
On the farm, 70 heads of cattle were housed with a food supply for 180 days. After 60 days, ten heads of cattle were sold, and for the next 30 days, they sold ten more. How many days is a sufficient supply of feed for the remaining cattle? - The dam
The water reservoir is filled with the first tributary for 25 hours and the second tributary for 35 hours. Sometimes, both inlets open, then a second tributary closed, and they filled the tank in four hours. What time does water flow from both tributaries - Bus and Milan
A bus left the village at a speed of 60 km/h. One kilometre later, Milo set off on a motorcycle with his grandmother to catch the bus. When they found the bus had already left, they tried to catch up. At the next stop, 3 km away, they caught up with the b - Grass garden
Mr. Grass would mow the garden for 5 hours, and his son Michael could do it for 7 hours. They agreed to wake up at 5 AM and begin to mow together. Ms. Grass needs to drive into town at 8:30. Michael says that at that time, they're done with work. Is he ri - Commuters - school
A total of 750 pupils attend the school. 20% of students are commuters. 18% of pupils commute in the first grade and 23% in the second grade. How many first graders does the school have? - Original price
What was the price of the washing machine if, after an increase of 35%, it cost 12690 €? - Joint-stock company
In a joint-stock company workers were employed, divided into two categories according to the degree of automation of the production processes. In the workshop with a low degree of automation of production processes worked 25% of all workers, and in this d - Savings calculation
How many euros does Karol save if 7% of his savings is 70 euros? - AP - basics
Determine the first member and differentiate the following sequence: a3-a5=24 a4-2a5=61 - Coffee
A coffee merchant has Robusta and Arabica coffee beans. 1 kg of Robusta costs 450 CZK, and 1 kg of Arabica is 300 CZK more expensive. Calculate how many kilograms of Robusta and Arabica will need to produce 30 kg of the mixture so that the mixture costs 4 - Euros
Peter, Jane, and Thomas have €550 together. Thomas has 20 euros more than Jane, and Peter has €150 less than Thomas. Determine how much each of them has. - Percentage calculation
Determine x if 98% of x equals 196. - Simple equation
Solve a simple equation: 2-3x: 5 = 1 - Triangle - is RT?
The triangle has a circumference of 90 cm. Side b is 1 cm longer than side c, and side c is 31 cm longer than side a. Calculate the length of the sides and determine whether a triangle is a right triangle. - Isosceles trapezoid
Perimeter of the isosceles trapezoid is 48 cm. One side is two times greater than the second side. Determine the dimensions of the trapezoid. - Cans
How many cans must be put in the bottom row if we want 182 cans arranged in 13 rows above so that each subsequent row has always been one in less? How many cans will be in the top row? - Land areas
Two land areas are 244 m². The first parcel is 40 m² less than twice the second one. What is the acreage of each parcel? - Cinema 4
In the cinema, there are 1656 seats; in the last row, there are 105 seats; in each next row, there are 3 fewer seats. How many are the total rows in the cinema? - Coal storage
The coal storage distribution received coal shipment within three days. On the first day, distribute a third of the shipments, on the second day of two-fifths of the rest, and on the third day, 300 tons of coal. How many tons of coal were distributed firs - Sides of the triangle
Calculate triangle sides where its area is S = 84 cm² and a = x, b = x + 1, xc = x + 2
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