Equations practice problems - page 101 of 241
Number of problems found: 4814
- Car meeting calculation
The distance between K and L is 150 km. At 8.00, a car left place K at a speed of 60 km/h. At 9:00 a.m., a second car drove towards him from location L at 75 km/h. At what time will they meet, and how far from L will it be? - Bricklayers
The first bricklayer would build a wall in 3 days, the second in 4 days. The first bricklayer worked alone for a day, then the second bricklayer came to his aid and finished the work together. How long did it take to build the wall? - Pool pump filling
Before the World Water Polo Championships, it was necessary to fill the pool. The first pump would fill in 12 hours, the second in 15 hours, and if all three pumps were started simultaneously, they would fill the pool in 4 hours. How long would the pool b - Quadratic - EQ2 - complex
Solve the quadratic equation: 2y²-8y + 12 = 0 - Equation root coefficient In the equation 2x² + bx-9 = 0 there is one root x1 = -3 / 2. Determine the second root and the coefficient b
- Flower seedling purchase
Mrs. Beránková bought flowers for spring planting. Begonias were CZK 35 each, and geraniums CZK 48 each. She paid CZK 1,070 for 25 seedlings. How many begonia seedlings and how many nutmeg seedlings did she purchase? - Camp boy girl
Sixty-three children went to the camp. There are seven more boys than girls. How many boys went to the camp, and how many girls? - Honor student calculation
Six 7th graders, representing 24% of all graders, had honors. How many students are in the class? - Rectangle ratio dimensions
The circumference of the rectangle is 40cm. Find the rectangle size if you know the sides are in a 4:1 ratio. - Difference of legs
In a right triangle, the hypotenuse length is 65 m, and the difference between legs is 23 m. Calculate the perimeter of this triangle. - Circle radius increase
When we increased the circle's radius by 2 cm, its area increased by 40π cm². Determine the radius of the circle before magnification. - Equation solving
Solve the equation: 5 / (x-4) - 2 / (4x-16) = - 7 - Water mixing
There are 5 liters of water at 75°C in the pot. How much water at 10°C do we have to add to the resulting temperature of 55°C? - Working together
Two people will do the work in 12 days. They worked together for eight days. Then only one worked for ten days. How many days would each of them do the work if he worked alone? - Bikes
Pepa asked Honza how many bikes he had. He replied that he had three-quarters of their total number and another three-quarters of one bike. So, how many cycles does Honza have? - School pupil distribution 588 pupils attend the school. There are 10% more girls than boys. How many boys and how many girls go to school?
- The temperature 5
The temperature at 4 pm was 53°Fahrenheit. The temperature dropped 3° each hour from 4 pm to 9 pm. Which equation below accurately represents the temperature at 9 pm? . - The shooter
The shooter heard the bullet's impact on the target one second after the shot. The bullet was moving at an average speed of 500 m/s. Calculate with the speed of sound of 340 m/s. Determine the distance of the target. - Consecutive natural sum
The sum of three consecutive natural numbers is 864. Determine the smallest of them. - Consecutive even sum
The sum of eight consecutive even natural numbers is 1,688. Determine the largest of the numbers.
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