Grade - math word problems - page 806 of 953
Number of problems found: 19049
- Solution dilution
1.5 kg of a 20% NaCl solution should be diluted to a 10% solution with water. How much water will we need, and how many kilograms of diluted solution will we get? - Alcohol
How many cubic centimeters of 96% alcohol is needed to obtain 0.75 liters of 40% alcohol? - Alcohol mixing
How many liters of 80% alcohol need to be mixed with 4 liters of 40% alcohol to get 70% alcohol? How many liters of 70% solution do we get? - Water colors
The painting workshop attends ten students. Eight students painted watercolors, and nine painted with tempera colors. How many students painted watercolors and tempera at the same time? - Two numbers sum
The sum of the two numbers is 52.5. The first number makes up 75% of the second number. Specify both numbers. - Solution
What amount of 80% solution and water is needed to mix to obtain two liters of 60% solution of this mixture? - Parallelogram sides
In the parallelogram ABCD, the side AB is three times longer than the side BC. The circumference of the parallelogram is 20 cm. Find the lengths of the sides of the parallelogram. - Savings distribution
Milan has 84 euros. He gave his brother 20% of his savings and his sister 25%. Find how much money each has. - Cube dimensions
The red cube has an edge 0.2 dm smaller than the blue cube. The surface of the blue cube is 294 cm². What are the dimensions of the cubes? - Two-digit numbers
How many two-digit numbers can you create from the digits 7,0,1 and 5 if the numerals can be repeated? - Racehorses
Racehorses and jockeys have a total of 168 feet. How many horses were together at the start? - Mr. John
Mr. John wants to buy winter apples Spartan. There are two ways to buy: 1) buy apples at the marketplace, where 1 kg costs 15 CZK. 2) Bring the car to the agricultural farm, where the apples are sold for 9 CZK per kilogram. However, he must pay CZK 150 fo - Gp - 80
One of the first four members of a geometric progression is 80. Find it if we know that the fourth member is nine times greater than the second. - Simplify
Simplify the following problem and express it as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5] - Topic probability
There are eight styles of graduation topics in the Slovak language. The Minister of Education draws 4 of them. How likely is he to choose at least one of the pairs? - Cubes in block
How many cubes with a 2cm edge will fit in a block measuring 8cm, 10cm, and 12cm? - Decompose
Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100) - Greatest divisor Decompose into primes and find the greatest divisor of the pair of numbers D (84.70).
- School cleaning
Mrs. Bart and Mr. Bart clean one floor of the school together in 5 hours. Mrs. Bart can clean this floor by herself in 8 hours. a. In how many hours can Mr. Bart clean this floor by himself? b. How long will they take to clean this floor together if Mrs. - Paint cans
The room has 4m, 5m, and 2.4m dimensions. How many cans of paint are needed to paint the walls and ceiling of this room? If one can, is it enough for ten m²?
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