# Rectangle

The length of one side of the rectangle is three times the length of the second side. What are the dimensions of the rectangle if its circumference 96 cm?

Result

a =  36
b =  12

#### Solution:

a=3b
2(a+b)=96

a-3b = 0
2a+2b = 96

a = 36
b = 12

Calculated by our linear equations calculator.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments: Be the first to comment! #### To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

## Next similar examples:

1. Playground Rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length.
2. Rectangle The rectangle area is 182 dm2, its base is 14 dm. How long is the other side? Calculate its perimeter.
3. Rectangle Calculate perimeter of the rectangle with sides a=2.4 m and b=1.9 m.
4. A rectangular A rectangular garden 40 m long and 30 m wide is to be fenced with fence posts at each corner. All the other posts will be 5 meters a part. How many posts will be needed to fence in the garden.
5. Triangle ABC In a triangle ABC side b measure 10 cm less than the side a and side b is half of the side c. Calculate the length of sides if the circumference of the triangle is 42 cm.
6. Chestnuts Neil has 5-times chestnuts less than Adrian. Together they have 894 chestnuts. How many chestnuts has Neil and Adrian?
7. Father and son Father is 44 years old, his son 16 years. Determine how many years ago was the father five times older than the son.
8. Seven times Which number seven times is just as higher as 27, how much is smaller than 29?
9. Benches The park has 64 benches. Occupied are by 18 more than empty. How many benches are occupied and empty ?
10. Eq1 Solve equation: 4(a-3)=3(2a-5)
11. Forest nursery In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
12. Addition of Roman numbers Added together and write as decimal number: LXVII + MLXIV
13. If-then equation If 5x - 17 = -x + 7, then x =
14. Rabbit family Rabbit family ate 32 pieces of carrots, small one ate 6 pieces, dad 5 more than the mother. How much ate mom?
15. Toys The toy shop sold the same number of balls for 62 CZK and skipping ropes for 34 CZK. They income was 576 CZK. How many sold balls and how many skipping ropes?
16. Popsicles Francis went to buy ice lollies. If he buy 8 popsicles he missed 4 USD. When he buy 7 popsicles, got back 1 USD. How many USD was a popsicle?
17. Jan and Dan Jan and Dan had the same money. Jan bought 5 workbooks and left him 15 CZK. Dan 6 and left him nothing. How much money have in total?