Basic operations and concepts - math word problems - page 159 of 320
Number of problems found: 6396
- Freedom
In the city are 3/9 of women married for 3/6 men. What proportion of the townspeople is free (not married)? Express as a decimal number. - Hairs
Suppose the length of the hair is affected by only the α-keratin synthesis, which is the major component. This synthesis takes place in the epithelial cells of the hair bulb. The structure of α-keratin is made up of α-helix for the 3.6 amino acid residues - Function
For linear function f(x) = ax + b is f(19)=141; f(20)=168. Calculate m, if f(m) = 2018. - Collection of stamps
Jano, Rado, and Fero created a collection of stamps in a ratio of 5:6:9. Two had 429 stamps together. How many stamps did their shared collection have? - Increased 2472
The price of skis increased twice from May to December, always by 20%. In December, the skis cost 1440 SKK. What was the original price in May? - Original price
The shop reduced the car to 85% of the original price. It now costs € 6,375. How many euros was the original price higher? - Sweets, candy
Grandfather gave out sweets to four children. At the last moment, two more children came, so to have them all the same, each of the four children would receive four candies less than they would have received if they had not. How much did my grandfather ha - Mini-survey
In our class's mini-survey about the popularity of individual subjects, it turned out that 11.1% of pupils like mathematics, 18.5% enjoy languages, 30.4% like physical education, and the remaining 12 pupils have several popular subjects. How many students - Four classses
Students of all 7, 8, and 9 classes in one school may take up 4, 5, 6, and 7 abreast, and nobody will be left. If there are always four classes in each grade, what is the average number of pupils in one class? - Brick weight
The brick weighs 5 kg and a half-brick. How much does one brick weigh? - Beer
After three 10° beers consumed in a short time, there is 5.2 g of alcohol in 5 kg adult human blood. How much is it per mille? - Volunteers 81981
Volunteers planted saplings in the forest nursery; spruces made up 55% of all saplings; one-third were edible, and the rest were young pines. How many saplings did they plant if the number of saplings was greater than 1060 and less than 1090? - Yellows 7650
Stano got a box of dice. Half of them were brown and blue in color, and the others were red, yellow, and green. There were 12 more reds than yellows, 19 more reds, and 5 more greens than yellows. How many cubes were in the box? - Exponential 3858
Determine m (solve the exponential equation - unknown in the exponent): 0.25 μm = 0.5 - Crates 2
In six crates is 45 kg of apples Five crates are equally apples. In the first crate is 3 kg more apples. How many kilograms are in each crate? - 23 students
The ninth grade students went on a field trip in such a number that they could sit at tables of 4, 5, and 6, and each time one seat remained free. What is the smallest number of students who participated in the field trip? - Candy and boxes
We have some candy and empty boxes. When we put ten sweets in boxes, two candies and eight empty boxes will be left. When of eight, there will be six candies and three boxes left. How many candy and empty boxes are gone when we put nine sweets into a box? - Exponential equation
Solve for x: (4^x):0,5=2/64. - Three co-owners
The three co-owners of the building company have earnings from a contract portioned in the ratio of 3:6:7. Each of them received the amount in the whole USD. One of them, on contract, earned 86450 USD. What were the total earnings for this order? - Workman - shift
The worker produces 300 components per shift. If his performance gradually increased by 3 components every shift, how many components would be produced in the 18 shifts?
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