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Sagot :
The number of cows and ducks in the garden are 3 and 4 respectively.
Solve the system of linear equations
Let the numbers of cows be x and the number of ducks is y.
Total number of legs=20
Total number of eyes=14
Linear equation for the total number of legs in the garden,
4x+2y=20 -(1)
Linear equation for the total number of eyes in the garden,
2x+2y=14 -(2)
Solve the system of the two linear equations to find the values of x and y.
Subtract equation (1) from equation (2), and we get,
2x=6
[tex]x=\frac{6}{2}\\[/tex]
x=3
Substitute the value of x in equation (1), and we get,
4(3)+2y=20
12+2y=20
2y=20-12
2y=8
[tex]y=\frac{8}{2}\\[/tex]
y=4
Number of cows=3
Number of ducks=4
Learn more about Linear Equations here:
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