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Zolol [24]
2 years ago
14

Pigs have 4 legs and chicken have 2 legs. If there are 24 heads and 80 legs, how many pigs and chickens are there?

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
7 0

Answer:

<h2><u><em>P = 16</em></u></h2><h2><u><em>C = 24-P = 8</em></u></h2>

Step-by-step explanation:

Heads: P + C = 24

C = 24 - P

Legs: 4P + 2C = 80

Substitute, from heads: 4P + 2 (24 - P) = 80

4P + 48 - 2P = 80

2P = 32

<u><em>P = 16</em></u>

<u><em></em></u>

<u><em>C = 24-P = 8</em></u>

====================

Check:

P + C = 16 + 8 = 24

4P + 2C = 4(16) + 2(8) = 64 + 16 = 80

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