Question
P5.RD.JC.17083124-A1
There were some grey, brown and black markers in a box. 111 of the markers were brown. The ratio of the number of grey markers to the number of black markers was 3 : 7. There were 318 fewer brown markers than black markers.
  1. Find the ratio of the number of grey markers to the number of brown markers to the number of black markers in the box.
  2. How many black markers were there?
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STUDENT

Primary 5 RFPD P5.RD.JC.17083124

16 Jun 2024, 04:59 AM

There were some grey, brown and black markers in a box. 111 of the markers were brown. The ratio of the number of grey markers to the number of black markers was 3 : 7. There were 318 fewer brown markers than black markers.
  1. Find the ratio of the number of grey markers to the number of brown markers to the number of black markers in the box.
  2. How many black markers were there?
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