Question
Billy used 3 rubber bands to form the sides of triangle RST where RS = 6 cm, ST = e cm and RT = 4e cm. Dylan stretches two of the elastic bands and enlarges triangle RST. The sides ST and RT are stretched to 3 times its original length. What is the perimeter of the stretched triangle RST?
2 m

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Billy used 3 rubber bands to form the sides of triangle RST where RS = 6 cm, ST = e cm and RT = 4e cm. Dylan stretches two of the elastic bands and enlarges triangle RST. The sides ST and RT are stretched to 3 times its original length. What is the perimeter of the stretched triangle RST?