Examples of equations for practice for 14 year olds - page 18 of 87
Number of problems found: 1738
- Mary
Mary is 12 years old, which is 40% of the age of her mother. How many percent of her mother's age will Mary have after the next 12 years? - Together m+w
Women are 30%. Men are 360 more. How many are together? - Sale off
The TV went down 10% and then again 10% off the original price. Now it costs 300 €. What was its original price? - Prospering students
There are girls and 30 boys in the class. Boys are prospering 28, girls all. How many girls are in the class and how many boys are there, if all the prospering students are 95%? - Honza
Honza is 13 years old, and Peter is 21 years old. After how many years are their ages, will they be at a ratio of 7:9? - Bucket
Half-filled bucket with water weighs 5.55 kg. The full bucket weighs 9.85 kg. How much does the bucket weigh? - Animals
All without two animals are dogs, all without two are parrots, all without two are cats, and the others are chickens. How many animals of individual species does Ms. Novak take care of? - Summer camp
Eighty-four children spent their holidays at the summer camp. There were eight fewer boys than girls. What percentage were boys and what percentage were girls? - Four numbers
The first number is 50% second. The second number is 40% third. The third number is 20% of the fourth. The sum is 396. What are the numbers? - Tulips and daffodils
Two hundred twenty tulips and daffodils are planted in the flowerbed. One-third of all tulips and one-sixth of all daffodils equals the number of all tulips. How many tulips and how many daffodils? - Unknown variable
Find the number x, which if it increases by 2, then its square increases by 21 percent. - Exponential equation
Determine the value of having y in the expression (3^y): (4-1)=36. Unknown y is a natural number greater than zero. - Enterprise company
30% of all employees in the enterprise are women. Men are 360 more. How many employees are in the company? - Working together
One painter painted the nursery in 10 days, the second in 8 days. How many days will the nursery be painted if they work together? - Candies
If Alena gives Lenka 3 candies will still have one more candy. If Lenka gives Alena 1 candy, Alena will have twice more than Lenka. How many candies have each of them? - Tractor wheels
Smaller tractor wheel has a circumference of 3 meters, bigger 4 meters. On what path executes smaller wheel six turns over bigger? - angles in quadrilateral
What size have angles in quadrilateral (4-gon) if they are in a ratio of 8:9:10:13? - Repair company
The company repairs cars. On the first day, repair half of the contract, the second day, half of the rest, and third-day 8 residue cars. How many total cars did the company repair? - Water reservoir
The cuboid reservoir contains 1900 hectoliters of water, and the water height is 2.5 m. Determine the bottom dimensions where one dimension is 3.2 m longer than the second. - Slope form
Find the equation of a line given the point X(8, 1) and slope -2.8. Arrange your answer in the form y = ax + b, where a and b are the constants.
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