Question
PSLE
Yoko wants to make 12 small identical circles and 19 large identical circles using wire. She has made 10 small circles and 4 large ones using 198 cm of wire. The length of wire she used for 5 large circles is the same as that for 10 small circles.
  1. How many large circles can be made with the same length of wire used to make 10 small circles?
  2. What is the length of wire she needs to make the remaining circles? Express your answer in cm.
4 m
(a)

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(b)

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PSLE
Yoko wants to make 12 small identical circles and 19 large identical circles using wire. She has made 10 small circles and 4 large ones using 198 cm of wire. The length of wire she used for 5 large circles is the same as that for 10 small circles.
  1. How many large circles can be made with the same length of wire used to make 10 small circles?
  2. What is the length of wire she needs to make the remaining circles? Express your answer in cm.