Equations practice problems - page 144 of 236
Number of problems found: 4716
- The length
The length of a rectangle is 6 meters less than twice the width. If the area of the rectangle is 216 meters, find the rectangle's dimensions. - The tank
The tank had nine inflows to be filled in 21 days. After nine days, three inflows shut down. How many days did the remaining six tributaries fill the tank? - Kilometers 6535
Two cyclists rode from Prague to Poděbrady. Determine the average speed of each of them if you know that they traveled 56 km and that the slower one lost two kilometers to the faster one every hour so that he arrived in Poděbrady 30 minutes later. - Solid cuboid
A solid cuboid has a volume of 40 cm³. The cuboid has a total surface area of 100 cm squared. One edge of the cuboid has a length of 2 cm. Find the length of a diagonal of the cuboid. Give your answer correct to 3 sig. Fig. - Determine 6533
A total of 256 tickets were sold for the concert. CZK 2,800 was collected for tickets under the stage, and CZK 2,160 for tickets to the corridors. Determine the price of tickets under the stage and on the corridors, if you know that the ticket under the p - Mackerel 6531
Mackerel costs m euros. If you buy mackerel and 20 sardines, you will pay double. How much will you pay for: (a) mackerel and 40 sardines (b) three mackerel and 80 sardines - One-third 6529
The worm Oliver Zoubek decided to bite through the oak log. In the first year, he made a hole in one-third. The second year, he chewed through one-third of the rest. In the third year, again, a third of the rest, and in the fourth year, he had 16 cm left.
- A man
A man spends 5/9 of his money on rent and 5/16 of the remainder on electricity. If the final balance remaining is 550, find how much was spent on rent. - Pedestrian 6526 At 9 o'clock, the pedestrian climbed at an average speed of 5 km/h, and 3 hours later, a cyclist followed him at 12 km/h. Determine what time they will meet.
- Circumference of a triangle
The circumference of the triangle is 104 cm. One side is 6 cm longer and 8 cm shorter than the third. Find the lengths of its sides. - Remaining
Aladár promised his mother that he would wash the plates. In order not to get too tired, he divided the work into four stages. First, he washed one quarter of all the plates. After a short rest, he washed one sixth of all the plates. After a long rest, he - Tank 11
When 150 liters have been drawn from a tank, it is 3/8 full. How many liters will the tank hold? - Together 6519
One worker makes 15 parts per hour, the other 12, and the third 10. How many hours did each work when they worked together for 15 hours? - Car driver
The car driver is in town A and is scheduled to be in town B at a specified hour. If it travels at an average speed of 50km/h, it will arrive in city B 30 minutes later. But if he travels at an average speed of 70km/h, he would arrive half an hour earlier - Equation 6513
Solve the equation (y + 5 / y-3) + (y + 3 / y-5) = 3
- Clothes
Danka and Janka collect clothes. Danka had nine more than Janka, so she gave her 7. Which now has more cloth and how many? - Daughter 6511
Turtle Dorota is 158 years old, and her daughter Dorotka is 71 years old. How many years ago was Dorota 30 times older than her daughter? - Area of garden
If the width of the rectangular garden is decreased by 2 meters and its length is increased by 5 meters, the area of the rectangle will be 0.2 ares larger. If the garden's width and length will increase by 3 meters, its original size will increase by 0.9 - Determines 6508
The product of the two numbers is 504. When one of them increases by six, the product increases to 720. It determines both factors. - Reading every day
Alena calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book?
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