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Sam plays the violin and the guitar. There are 4 strings on a violin and 6 strings on a guitar. If he has 5 instruments with a total of 28 strings, how many of his 5 instruments are guitars?​

Respuesta :

Answer:

4 of them

here's why

[tex]6 * 4 = 24\\24 + 4v = 28[/tex]

v means violin. it's an algebra variable I used to shorten the problem.

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