Question
PSLE
Yoko wants to make 18 small identical circles and 20 large identical circles using wire. She has made 8 small circles and 7 large ones using 648 cm of wire. The length of wire she used for 2 large circles is the same as that for 8 small circles.
  1. How many large circles can be made with the same length of wire used to make 8 small circles?
  2. What is the length of wire she needs to make the remaining circles? Express your answer in cm.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Yoko wants to make 18 small identical circles and 20 large identical circles using wire. She has made 8 small circles and 7 large ones using 648 cm of wire. The length of wire she used for 2 large circles is the same as that for 8 small circles.
  1. How many large circles can be made with the same length of wire used to make 8 small circles?
  2. What is the length of wire she needs to make the remaining circles? Express your answer in cm.