Question
P5.RD.JC.17083124-A1
There were some grey, brown and black files in a box. 111 of the files were brown. The ratio of the number of grey files to the number of black files was 3 : 7. There were 264 fewer brown files than black files.
  1. Find the ratio of the number of grey files to the number of brown files to the number of black files in the box.
  2. How many black files were there?
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STUDENT

Primary 5 RFPD P5.RD.JC.17083124

22 Jun 2024, 04:03 AM

There were some grey, brown and black files in a box. 111 of the files were brown. The ratio of the number of grey files to the number of black files was 3 : 7. There were 264 fewer brown files than black files.
  1. Find the ratio of the number of grey files to the number of brown files to the number of black files in the box.
  2. How many black files were there?
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