For a summer job, lucy is in charge of chickens and sheep. there are 16 animals total. the number of chickens, y, is 4 less than the number of sheep, x. which ordered pair (x, y) represents the number of chickens and sheep?
(4, 12)
(6, 10)
(8, 8)
(10, 6)

The correct option is 4.

Step-by-step explanation:

Let the number of sheep be x and the number of chickens be y.

It is given that there are total 16 animals.

          .... (1)

The number of chickens, y, is 4 less than the number of sheep, x.

           .... (2)

Using (1) and (2), we get

Add 4 on both the sides.

Divide both sides by 2.

Put x=10 in equation (1).

Subtract 10 from both the sides.

The ordered pair (10,6) represents the number of chickens and sheep. Therefore the correct option is 4.

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step-by-step explanation:

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