Question
Rael used 3 elastic bands to form the sides of triangle PQR where PQ = 6 cm, QR = w cm and PR = 3w cm. Andy stretches two of the elastic bands and enlarges triangle PQR. The sides QR and PR are stretched to 4 times its original length. What is the perimeter of the stretched triangle PQR?
2 m

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Rael used 3 elastic bands to form the sides of triangle PQR where PQ = 6 cm, QR = w cm and PR = 3w cm. Andy stretches two of the elastic bands and enlarges triangle PQR. The sides QR and PR are stretched to 4 times its original length. What is the perimeter of the stretched triangle PQR?