Question
Albert used 3 stretchable bands to form the sides of triangle LMN where LM = 10 cm, MN = x cm and LN = 3x cm. Ethan stretches two of the elastic bands and enlarges triangle LMN. The sides MN and LN are stretched to 2 times its original length. What is the perimeter of the stretched triangle LMN?
2 m

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Albert used 3 stretchable bands to form the sides of triangle LMN where LM = 10 cm, MN = x cm and LN = 3x cm. Ethan stretches two of the elastic bands and enlarges triangle LMN. The sides MN and LN are stretched to 2 times its original length. What is the perimeter of the stretched triangle LMN?