Question
There are thrice as many brown coats as white coats in a sale. If there are 124 brown and white coats altogether,
  1. how many brown coats are there?
  2. how many more brown coats than white coats?
3 m
(a)

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(b)

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There are thrice as many brown coats as white coats in a sale. If there are 124 brown and white coats altogether,
  1. how many brown coats are there?
  2. how many more brown coats than white coats?