System of equations - practice for 13 year olds - page 9 of 45
Number of problems found: 888
- Rabbits and chicken
There are rabbits and chickens on a farm, 41 heads and 132 legs in all. How many rabbits at the farm? - Fifteen-spruce 57291
A mighty gale broke the top of the fifteen-spruce spruce, resting it on the ground. The distance of this top from the trunk was 4.6 m below. At what height was the spruce trunk broken? - Powdered milk
A can of powdered milk and a can of evaporated milk cost $83.90 together. Two cans of evaporated milk and a can of powdered milk cost $118.05. How much is one can of powdered milk? How much is one can of evaporated milk? - Four pieces
A 37-centimeter board is cut into four pieces. The first piece and the second piece are the same lengths. Similarly, the third and the fourth piece are the same lengths if the fourth piece is quadruple the difference between the first piece and 10 cm. Fin
- Resulting 55991
The 180 cm long bar should be cut into two parts so that the longer part is 4 cm shorter than three times, the shorter part. Find the lengths of the resulting bar sections. - 144 steps
To get around the garden, we have to take 144 steps—eight steps less in width than in length. One step is five decimetres long. What are the dimensions of the garden? What are its perimeter and its area? - Nice two numbers
What two numbers do we give a sum of 30 difference of 24 products of 81 and a quotient of 9? - Children and horses
There are some children and horses in a field. Together they have 39 heads and 122 feet. How many children are in the field, and how many horses are in the field? - Lucka
Lucka reads a thrilling novel about the holidays. If she read 16 pages daily instead of 14, she would read the book one day earlier. How many pages does the novel have in total?
- Dimensions 3
A perimeter of a rectangular field is 96 meters. The length is four meters less than three times the width. Find the length and width (its dimensions). - The sum 16
The sum of A and B is 36. The difference between A & B is 8. find the larger number of A. - Sum and product
The sum of the real numbers x and y is 12. Their difference is 8. What is the value of xy? - Length 9
The length of a rectangle is 8 meters smaller than twice of breadth. If the perimeter of the rectangle is 50, find its length and breadth. - Dimensions of rectangle
Find the dimensions of a rectangle, given that its perimeter is 110 cm. Its length is 1 cm, more than twice its width.
- Half of 2
Half of Ethan's string is equal to 2/3 of Kayla's string. The total length of their strings is 10 feet. How much longer is Ethan's string than Kayla's? - The sum 9
The sum of two integers is 4. Their difference is 8. What are these two integers? - The sum 8
The sum of the two numbers is 21. If three times the smaller numbers are two less than twice the larger number, find the two numbers. - You must
You must level a rooftop unit on the curb with shims. If you need to shim the unit 13/16" on one side, how many shims will be required if it is given 1/8" and 1/16" shims? Use ten shims exactly. - In the library
The library at Lenape Elementary School has 2/5 as many fiction books as nonfiction books. There are 56 books in the school library. How many books are fiction books?
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