Equations practice problems - page 180 of 250
Number of problems found: 4996
- Young Cyclists
Charlie and Peter are going to the Young Cyclists' Meeting today. Peter is still unable to start, so Charlie goes first alone. Peter follows him for 20 minutes. How long does it take to reach Charlie? Charlie travels at an average speed of 15 km/h, and Pe - One frame
Five picture frames cost € 12 more than three frames. How much cost one frame cost? - Parallelogram
Side a of a parallelogram is twice longer than side b. Its perimeter is 78 dm. Calculate the length of the sides of a parallelogram. - Cleaning windows
The cleaning company has to wash all the school windows. On the first day, one-sixth of the windows are washed. The next day, three more windows are washed than the first day, and the remaining 18 windows are washed on the third day. Calculate how many wi - Larger pipe
Two supply pipes open into the pool, and the smaller pipe fills the pool in 40 hours. The empty pool will be filled in 16 hours if we open both supply pipes. How long would it take to fill if only the second, larger inlet pipe was opened? - Textbook disposal
An inspection of the textbooks revealed that every 8th textbook had to be discarded. A total of 88 textbooks were discarded. How many textbooks were in stock before disposal, and how many after disposal? - Ladder
A 4 m long ladder touches the cube 1mx1 m at the wall. How high reach on the wall? - Linear equation
Determine five solutions to the equation of two unknowns. Write as arranged pairs and draw in the graph. What does a diagram of a linear equation look like? 2x + 3y = 7 - Decimal sum
The sum of two decimal numbers, one of the numbers is 3.2 larger than the other, is 52.78. Find this larger number. - Seamstress work
Eight seamstresses have to complete the order in 16 days. After four days, the two seamstresses switched to another job. In how many days will the order be fulfilled? - Two rooms
If a woman cleans the room in 30 minutes and a man in 90 minutes, how long will it take them to clean two rooms? - Comparing salaries
Spouses compared salaries. Mrs. Jane found a 20% higher salary than Mr. Jerry. Together they earned € 1,430. How much do they earn each of them? - Working together on project
Two employees are working on a project. The first can finish it alone in 20 days, the second in 24 days. How many days will it take to complete the project if they work together for five days, then the first takes a two-day break, and after returning they - First train
In 1839, the first train went from Vienna to Brno, and in 1845 to Prague. It took, however, more than 50 years before the first Czech locomotives came out onto the tracks. The first Czech-Moravian factory for machines left the first Czech locomotive on 26 - Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are? - Rectangle
The rectangle has a perimeter of 75 cm. The diagonal length is 32.5 cm. Determine the length of the sides. - Tadeus
Tadeus and Jolana have a total of CZK 15. Jolana has half that of Tadeus. Nevertheless, Jolana has three coins and Tadeus 2. Which coin does Tadeus have, and which Jolan? - Money subtraction
How often can you take 5 euros from 30 euros until you have nothing left? - Pizza cost
The pizza and fries cost € 18. French fries are € 8 cheaper. How much do two pizzas cost? - Plane meeting
Regular planes fly between the two airports 690 km away. The aircraft takes off from the first airport at 6:30 am at an average speed of 60 km/h faster than the aircraft taking off at 7.00 am from the second airport. The planes always meet at 9.00 am. At
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