javiercastillo2012
javiercastillo2012 javiercastillo2012
  • 19-05-2020
  • Mathematics
contestada

There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?

Respuesta :

scarletdeathweaver74 scarletdeathweaver74
  • 19-05-2020

Answer:

There are 6 chickens and 7 pigs.

Step-by-step explanation:

x+y=13 and 2x+4y=40

1. 6+7=13 animals

2. (6*2=12)+(7*4=28)=40 legs

Answer Link

Otras preguntas

the ratio of PHP 504.00to 14liters of gasoline​
The table below shows properties of two compounds at standard pressure. Which statement classifies the two compounds? 1)Both compounds are ionic, 2)Both compoun
The value of the internal angle of a polygon is 150 degrees. Find the number of bases
helpppp plzzzzzzzzzzzzzzz
7 Express 40 cm as a percentage of 5 m.
2. Arrange the following types of electromagnetic waves in order by wavelength, from longest to shortest: Gamma rays, visible light, infrared radiation, ultravi
What connection does the author draw between physiological and psychological reactions to a life-threatening incident?
In general, what are three ways in which minerals form.
what is the value of z?
I've been stuck with this for like an hour, please help.A 100 gram sample of HG is equal to how many moles of the metal?​