Question
PSLE
Yoko wants to make 19 small identical triangles and 15 large identical triangles using wire. She has made 8 small triangles and 4 large ones using 256 cm of wire. The length of wire she used for 5 large triangles is the same as that for 10 small triangles.
  1. How many large triangles can be made with the same length of wire used to make 8 small triangles?
  2. What is the length of wire she needs to make the remaining triangles? Express your answer in cm.
4 m
(a)

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(b)

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PSLE
Yoko wants to make 19 small identical triangles and 15 large identical triangles using wire. She has made 8 small triangles and 4 large ones using 256 cm of wire. The length of wire she used for 5 large triangles is the same as that for 10 small triangles.
  1. How many large triangles can be made with the same length of wire used to make 8 small triangles?
  2. What is the length of wire she needs to make the remaining triangles? Express your answer in cm.