Question
PSLE
Yoko wants to make 18 small identical triangles and 22 large identical triangles using wire. She has made 10 small triangles and 3 large ones using 675 cm of wire. The length of wire she used for 2 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 10 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 18 small identical triangles and 22 large identical triangles using wire. She has made 10 small triangles and 3 large ones using 675 cm of wire. The length of wire she used for 2 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 10 small triangles?
  2. What is the length of wire she needs to make the remaining triangles? Express your answer in cm.