Respuesta :

zame

Answer: 51 inches

Step-by-step explanation:

3x = 9

x=3

P= 3(3) + 4(3) + 10(3)

= 9 + 12 + 30

= 51 Inches

Hope this helps! :)

Answer:51

Step-by-step explanation:

Multiply each number by 3 so you have 9+12+30=51

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