Question

A zoo has a few numbers of penguins and polar bears. The total number of heads of both of them is 60 and total number of their feet is 160. How many polar bears are there in the zoo??? chať with me on teĺi, id aryan12121☺​

Answer 1

Answer:

Let the number of polar bears be B and the number of penguins, P.

B+P = 60, or

P = 60-B …(1)

4B+2P = 160, or

2B+P = 80, or

P = 80–2B …(2)

Equate (1) and (2)

60-B = 80–2B, or

2B-B = 80–60, or

B = 20 so P = 40.

So there are 20 polar bears and 40 penguins. Answer

Answer 2

Answer:

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Let the number of polar bears be B and the number of penguins, P.

B+P = 60, or

P = 60-B …(1)

4B+2P = 160, or

2B+P = 80, or

P = 80–2B …(2)

Equate (1) and (2)

60-B = 80–2B, or

2B-B = 80–60, or

B = 20 so P = 40.

So there are 20 polar bears and 40 penguins. Answer

Step-by-step explanation: