Answer :

mathstudent55

Answer:

67.5 cm, 94.5 cm, 108 cm

Step-by-step explanation:

5x + 7x + 8x = 270

20x = 270

x = 13.5

5x = 5 × 13.5 = 67.5

7x = 7 × 13.5 = 94.5

8x = 8 × 13.5 = 108

Answer: 67.5 cm, 94.5 cm, 108 cm

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