Question
Ahmad used 3 rubber bands to form the sides of triangle NPQ where NP = 10 cm, PQ = b cm and NQ = 4b cm. Rael stretches two of the elastic bands and enlarges triangle NPQ. The sides PQ and NQ are stretched to 3 times its original length. What is the perimeter of the stretched triangle NPQ?
2 m

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Ahmad used 3 rubber bands to form the sides of triangle NPQ where NP = 10 cm, PQ = b cm and NQ = 4b cm. Rael stretches two of the elastic bands and enlarges triangle NPQ. The sides PQ and NQ are stretched to 3 times its original length. What is the perimeter of the stretched triangle NPQ?