Equations practice problems - page 175 of 236
Number of problems found: 4716
- Question 4436
Find the number that replaces the question mark: 1.4:? = - 6 - Circumference 4430
There is an isosceles triangle with a circumference of 36 cm, and the height at the base is 12 cm long. Calculate the length of the arm of a given triangle. - Value 4423
Find the value of x: x-4 / 3x-5 = x + 3 / 10-6x - Concentration 4419
We added 300 g of water to 400 g of salt solution, reducing the solution's concentration by 5%. How much water did the original solution contain, and what was its concentration? - If we
If we increase the unknown number by 4%, we get 780. Determine the unknown number. - Materials 4405
Two trucks were supposed to load the building materials in 10 days. After 6 days of work, the first car broke down, and the second one carried building materials for another 9 days. How many days would the first and second cars take the building materials - Apples 2
Dried apples contain 15% water. Fresh apples contain 80% water. How many kilograms of apples must we buy to get 3 kg of dried apples?
- Family
The son is 3/5 smaller than the mother, who is 99 cm higher than the son. Thus, the mother is 3/5 taller than the son. - Kilometers 4391
The car moved out of place at a speed of 60 km/h in 1.5 hours. The second car moved at a speed of 80 km/h. How long will it take to catch the first car, and how many kilometers will it drive? - Equation: 4386
Solve the power equation: 2.1463 = 0.4179x0.419 - Simultaneously 4372
From two places, M and N, 100 m apart, two bodies move simultaneously in the positive direction of the x-axis. A body moving from place M has a speed of 5 m/s, from place N 3 m/s. How long does it take for the first body to catch up with the second? What - Mushrooms
Fresh mushrooms contain 90% water, dried only 12%. How many kilograms of fresh mushrooms are needed for 5kg dried? - Grams
How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution? - Square vs rectangle
A square and a rectangle have the same areas. The rectangle's length is nine greater, and the width is six less than the side of the square. Calculate the side of a square. - Classroom
One-eighth of the 9th class was interested in studying at a grammar school, a business academy one-sixth, and a secondary vocational school quarter to SOU third. The remaining three students were interested in the school of art direction. How many student
- Two trucks Two trucks left cities A and B against each other and met after an hour. The first car came to B 27 minutes later than the second car to A. Calculate the car speed if the distance between cities A and B is 90 km.
- Calculate 4349
Calculate x: (x-1) over (x-2) + (x-2) over (x-4) = 4 - Woman 4342
If we add the age of a man and a woman, we get the sum of 91. He is now twice as much. How old was she when he was as old as she was now? - Traveling 4340
From place A, the cyclist drove at a speed of 24 km/h. They sent a car behind him an hour later, traveling at 60 km/h. When and how far from place A will a cyclist travel? - Expensive 4338
He bought a T-shirt, a tie, and a shirt. The tie was three times cheaper than the shirt, and the T-shirt was 70 CZK more expensive than the tie. He paid a total of 470 CZK. How much did he pay for a tie, a T-shirt, and a shirt?
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