Doi cocosi cantaresc tot atat cat 3 gaini. opt cocosi si 9 gaini cantaresc 42 kg. cat cantareste un cocos si cat cantareste o gaine , stiind ca toti cocosii au aceeasi greutate , respectivtoate gainile cantaresc la fel. metoda aritmetica

The weight of one rooster is 3 Kg and the weight of one hen is 2 Kg

Step-by-step explanation:

The question in English is

Two roosters weigh as much as 3 chickens. Eight roosters and 9 hens weigh 42 kg. How much does a rooster weigh and how much does a hen weigh, knowing that all roosters have the same weight, respectively the hens weigh the same.

Let

x ----> the weight of one rooster in kilograms

y ----> the weight of one hen in kilograms

we know that

------> equation A

----> equation B

Solve the system by graphing

Remember that

The solution of the system of equations is the intersection point both graphs

The solution is the point (3,2)

see the attached figure

therefore

The weight of one rooster is 3 Kg and the weight of one hen is 2 Kg

the most boring thing ever written

step-by-step explanation:

i am writing something. yes, i plan to make it the most boring thing ever written. i go to the store. a car is parked. many cars are parked or moving. some are blue. some are tan. they have windows. in the store, there are items for sale. these include such things as soap, detergent, magazines, and lettuce. you can enhance your life with these products. soap can be used for bathing, be it in a bathtub or in a shower. apply the soap to your body and rinse. detergent is used to wash clothes. place your dirty clothes into a washing machine and add some detergent as directed on the box. select the appropriate settings on your washing machine and you should be ready to begin. magazines are stapled reading material made with glossy paper, and they cover a wide variety of topics, ranging from news and politics to business and stock market information. some magazines are concerned with more recreational topics, like sports card collecting or different kinds of hairstyles. lettuce is a vegetable.

the answer is 40.

proof: