Question
Jack used 3 stretchable bands to form the sides of triangle MNP where MN = 9 cm, NP = c cm and MP = 4c cm. Ethan stretches two of the elastic bands and enlarges triangle MNP. The sides NP and MP are stretched to 2 times its original length. What is the perimeter of the stretched triangle MNP?
2 m

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Jack used 3 stretchable bands to form the sides of triangle MNP where MN = 9 cm, NP = c cm and MP = 4c cm. Ethan stretches two of the elastic bands and enlarges triangle MNP. The sides NP and MP are stretched to 2 times its original length. What is the perimeter of the stretched triangle MNP?