Examples of equations for practice for 12 year olds - page 14 of 58
Number of problems found: 1143
- Painters 44121
Two painters will paint the bridge in 12 days. How many painters must we employ if we need to paint the bridge in 8 days? - Second hand store
The price of goods in the store for used goods is determined by agreement, while the sale price is deducted 15% commission - for the store owner. Matúš's parents decided to sell the TV to make their net profit at least 50 euros. What was the minimum selli - Equations: 43501
Solve two equations: 7 * (x + 1) - (3x + 1) = 21/2 a / 3-a + 6/12 = 2a-4 - Previous 43371
The sum of three natural numbers, five greater than the previous one, is 204. Which are the numbers?
- Who I
Who am I? My third is two less than my half. - The vase
There were roses in the vase. Half were red, a quarter was white, and 12 were yellow. How many roses were in the vase? - MO Z7–I–6 2021
In triangle ABC, point D lies on the AC side and point E on the BC side. The sizes of the angles ABD, BAE, CAE, and CBD are 30°, 60°, 20°, and 30°, respectively. Find the size of the AED angle. - Second 43001
On the first day, Lenka read half of the book. On the second day, half of the rest, and on the third day, she read 35 pages and read the book. How many pages did the book have? - The number 4
Two-thirds of a number is negative six. Find the number.
- Dimensions 42501
Find at least six different dimensions (in meters) of a rectangle with a capacity of 20 m2 - Missing digit
If 4x/6x + 5/17 = 1, what digit does the x represents - One-fifth 42071
One-fifth of twice the number t is one. - Family age
Kubo is 14 years old and has a one-year-old sister Nina and a four-year-old brother Sam. How many years will Nina and Sam be as old as Kubo? - Pilgrimage 41951
Pavel spent CZK 315 on the pilgrimage in three days, doubling his spending every following day. How much CZK did he pay on the first day?
- Jordan
Jordan wants to bring in cookie cakes to share with his 23 classmates for his birthday. His mom is willing to buy up to six cookie cakes, and Jordan must share the cakes equally with his classmates (and himself). Answer the questions to help Jordan decide - Apples investment
The merchant bought a certain amount of apples and paid one denarius for every seven apples. The next day he sold all the apples for one denarius for five pieces and earned 12 denarii. How many apples did he originally buy, and how many did he have to inv - Circumference 40401
Calculate the diameter of a circle whose area in cm² and the circumference in cm are expressed by the same number. - Graduates 40111
As many as 62.5% of residents at the business academy graduated with honors. How many high school graduates were there if 30 students graduated with honors? - Five-twelfths 39871
Five-twelfths of the students in the class learn English, a third learn German, a sixth learn French, and two students learn Russian. How many students are in the class, and how many languages are they learning?
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