Question
P5.RD.JC.17083124-A1
There were some grey, brown and black notebooks in a box. 19 of the notebooks were brown. The ratio of the number of grey notebooks to the number of black notebooks was 3 : 5. There were 304 fewer brown notebooks than black notebooks.
  1. Find the ratio of the number of grey notebooks to the number of brown notebooks to the number of black notebooks in the box.
  2. How many black notebooks were there?
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Primary 5 RFPD P5.RD.JC.17083124

02 Jun 2024, 12:12 AM

There were some grey, brown and black notebooks in a box. 19 of the notebooks were brown. The ratio of the number of grey notebooks to the number of black notebooks was 3 : 5. There were 304 fewer brown notebooks than black notebooks.
  1. Find the ratio of the number of grey notebooks to the number of brown notebooks to the number of black notebooks in the box.
  2. How many black notebooks were there?
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