Respuesta :

longest part = 18 m

add the parts of the ratio 2 + 3 = 5

divide 30 by 5 to find the value of 1 part of the ratio

[tex]\frac{30}{5}[/tex] = 6 ← 1 part

2 parts = 2 × 6 = 12 m

3 parts = 3 × 6 = 18 m ← longest part


suspho

30 : (2 + 3) *3 =

6 * 3 =

18 cm (your answer)


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