Answers

2015-08-27T20:09:39+08:00
Since 1w = 7d, then 3w = 21d.
  15 : 21
  5 : 7 (divide by 3)
Therefore, the ratio of 15d to 3w is 5:7 or 5/7.
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2015-08-27T20:42:40+08:00
The answer is 15:3, u say ratio
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