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

Taiwan’s agricultural economy grew when the Nationalists instituted _____. a command economy a system of collective farms trade agreements with Pacific Rim coun

What are the most important questions in life? Why?

What is an algebraic expression for the following word phrase: "6 times the difference of b and p?" a. 6b-p b. 6(b-p) c. 6-bp d. 6bp Evaluate u+xy if u=18 x=10

what is a small rock that has 5 letters

Susie ran a race. She ran 5 miles an hour, and the race took her t hours to complete. How long was the race? Write your answer as an expression. ( ) miles

which of the following actions reflects the political philosophy expressed in the declarations of independence

Lava is rock that has undergone a physical change and has liquefied. What is known about this change?

what is the greatest common factor of 49 and 63

10 times as many as 100 is

WHAT IS BIGGER 3/4 OR 11/16 EXPLAIN