Question
Jeremy used 3 rubber bands to form the sides of triangle STU where ST = 10 cm, TU = j cm and SU = 3j cm. Warren stretches two of the elastic bands and enlarges triangle STU. The sides TU and SU are stretched to 2 times its original length. What is the perimeter of the stretched triangle STU?
2 m

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Jeremy used 3 rubber bands to form the sides of triangle STU where ST = 10 cm, TU = j cm and SU = 3j cm. Warren stretches two of the elastic bands and enlarges triangle STU. The sides TU and SU are stretched to 2 times its original length. What is the perimeter of the stretched triangle STU?