A letter is chose at random from the word PROGRESSIVENESS.
1 answer:
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Answer: 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.