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Given:
Violinists : Cellists = 7:3.
Number of violinists in the school orchestra = 21
To find:
The combined number of cellists and violinists.
Solution:
Let the number of violinists and cellists in the school orchestra are 7x and 3x respectively.
Then, combined number of cellists and violinists is
...(i)
Number of violinists in the school orchestra = 21
Divide both sides by 7.
Now, the combined number of cellists and violinists is
[Using (i)]
Therefore, the combined number of cellists and violinists is 30.
Answer:
And solving we got:
And we can reorder the terms we got:
And that would be the equivalent expression for the problem
Step-by-step explanation:
For this case we have the following function given:
And we can complete the square adding the middle of 14 squared and subtracted before like this:
And solving we got:
And we can reorder the terms we got:
And that would be the equivalent expression for the problem