Respuesta :

kayleekaykay2009

Answer:

12

Step-by-step explanation:

8×1.5=12

so, since we know the bigger difference between the two we divide it by 18.

18÷1.5=12

ferrybukantoro

Step-by-step explanation:

the similarity of the triangle:

x/18 = 8/12

=> 12x = 18×8

12x = 144

x = 12

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