Question
PSLE
Peter had pink markers and red markers for sale. He sold 280 pink markers. 30% of the markers sold were red.
  1. How many pink markers and red markers did Peter sell altogether?
  2. He sold 50% of his markers. 60% of the markers left unsold were pink. How many red markers did Peter have at first?
4 m
(a)

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(b)

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PSLE
Peter had pink markers and red markers for sale. He sold 280 pink markers. 30% of the markers sold were red.
  1. How many pink markers and red markers did Peter sell altogether?
  2. He sold 50% of his markers. 60% of the markers left unsold were pink. How many red markers did Peter have at first?