Chickens and rabbits

In the yard were chickens and rabbits. They had 28 heads and 82 legs. How many chickens and how many rabbits was in the yard?

Result

chickens:  15
rabbits:  13

Solution:

a+b = 28
2*a+4*b=82

a+b = 28
2a+4b = 82

a = 15
b = 13

Calculated by our linear equations calculator.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Math student
viju has 40 chickens and rabbits.  If in all there are 90 legs.  How many rabbits are there with viju??

2 years ago  8 Likes
Math student
viju has 40 chickens and rabbits.  If in all there are 90 legs.  How many rabbits are there with viju??

2 years ago  8 Likes
Manikanta
35 chicken 5 rabbit

1 year ago  2 Likes
Math student
Imagine all rabbits and chickens are well trained. We blow the whistle, all chickens and rabbits would retract one of their legs. 124 - 44 = 80. Then we blow the whistle again, they retract another leg. 80-44= 36. these remaining 36 legs belong to the rabbits which are standing with two legs (the other two are retracted). thus 36/2 = 18 rabbits. and the chickens are 44-18 = 26.

1 year ago  2 Likes
Math student
We know that chicken has 2 legs and rabbit has 4. Assume that all heads are of chicken = 44*2 = 88. Now the difference between the total no. Of legs = 124-88 = 36. 36/2 =18 legs of Rabbits and 44-18 = 26 for chicken

1 year ago  2 Likes
Math student
35 chiken and 5 rabit

To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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