Farmer brown has ostriches and llamas. Altogether she counts 98 feet and 33 heads. How many ostriches does she have?

She has 17 ostriches.

Step-by-step explanation:

We know , ostrich has 2 legs where as llama has 4 legs.

Let x be the number of ostriches and y be the number of llamas.

Then, as per given , we have the following linear equations :

Multiply 2 to eqn (ii) , we get

Subtract (iii) from (i) , we get

Put this in (ii) , we get

Hence, there are 17 ostriches and 16 llamas.

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step-by-step explanation:

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you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.