Examples of equations for practice for 12 year olds - page 4 of 59
Number of problems found: 1180
- Fruits
2/3 of the fruits are cherries, and the rest are grapes. I sold 1/2 of the cherries and 1/4 of the grapes. If I had 280 left, how many fruits had I at first? - Twice 3
Twice a certain number is added to 10. If the result is minus fourteen. Find the number - Leo bought
Leo bought 4 T-shirts and 2 pants of pants for Pho 3000. If the T-shirts cost 300 each, find the cost of each pair of pants - The product 11
The product is two number is 20. If one of the numbers is 5/7, what is the other number?
- Temperature 53
The temperature this afternoon was X. The temperature has fallen 5 degrees and is now 68. What was the temperature this afternoon? - Simple coefficient
Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k. - Three rationals
Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z? - A sandbox
3/4 a sandbox has an area of 20 square feet. The length is 6 1/2 feet. What is the width of the sandbox? - The sum 32 The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers?
- What number What number must be added to both the numerator and denominator of 3/5 to get 5/6?
- Five times Five times a number divided by three is ten. What is the number? a.5 b.6 c.7 d.8
- A mixed school
In a mixed school, 5/9 of the pupils are boys. If there are 128 girls, how many pupils are there altogether? - Quarter 84177
We used one-quarter of the coal we bought, leaving us with 12 q. How much coal did we buy? - Thinking 84112 I am thinking of a number. If I subtract 14 from it and multiply by 6, I get the number 210. What is the number I am thinking of?
- Traveled 84103
We have traveled 2/5 of the way, which is 6/35 km. How long is the journey? - Triangles - combinations
How many different triangles with sides in whole centimeters have a perimeter of 12 cm? - Quarter 83940
Half a cake costs 7€ more than a quarter of a cake. How much does a cake cost? Thank you - Consecutive 83783 Can you find three consecutive whole numbers such that the sum of the first and third is 128?
- Chocolate 83581
The candy store sold two types of chocolate candies. Red for 8 Sk and blue for 6 Sk. We bought 20 candies for 136 CZK. How many candies are blue and how many red? We have red candies: We have blue candies:
If I subtract 3/5 from it, I get 2/5. What number do I think?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
