Question

A groups of animals contains some deer & some hens. Total no. of their heads is 15 & total no. of their legs is 50. Find no. of deer in the group. GN
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Answer 1

Answer:

10 deers

Step-by-step explanation:

number of dear = 10

that means number of legs of deers = 10×4= 40

Answer 2

Answer:

2x + 4y = 50

so we have x+y =15

so, x = 15 -y

2x + 4y = 2 (15-y) + 4y

30 - 2y

So, 30+ 2y = 50

2y = 50-30

y= 20/2

y= 10

Hence there are 10 deers.

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