desiraeortega26 desiraeortega26

12-08-2021
Mathematics

contestada

Farmer McDonald raises ducks and cows. His animals have a total of 20 heads and
64 legs. How many ducks and how many cows does Mr. McDonald have?

Respuesta :

badtestbot28 badtestbot28

12-08-2021

Answer:

8 ducks, 12 cows

Step-by-step explanation:

Let the ducks be x in number and cows be y in number

ATQ, x+y=20 and 2x+4y=64, solving we get y=12 and x=8.

Answer Link

Otras preguntas

A segment of a circle has a 120 arc and a chord of 8in. Find the area of the segment.

What are the five senses that we use to make observations in Science?

AP US History question: Discuss the effects of New Deal reform legislation by examining TWO of the following acts: Social Security Act, Wagner Act, Fair Labor S

help please !! Who might be the main characters in a world parents type of creation story? a turtle and a raven a powerful god and a human the sky and the earth

Is cellulose living material?

Do all the dimes or all the nickels have a greater total value

Which of the following influenced the writing of The Book of Kells? The Christian New Testament, which includes the four Gospels The Christian Old Testament, wh

Which best describes the differences between how Ptolemy and Copernicus described the solar system? A. Ptolemy saw the sun at the center of the solar system,

Which sentence is written correctly? A. The comic book shop is the more wonderful of the many places nearby. B. The comic book shop is the most wonderful of the

the ratio of men to women in a certain factory is 3 to 4. there are 210 men. How many workers are there?