Question
There are thrice as many red sweaters as silver sweaters in a sale. If there are 180 red and silver sweaters altogether,
  1. how many red sweaters are there?
  2. how many more red sweaters than silver sweaters?
3 m
(a)

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(b)

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There are thrice as many red sweaters as silver sweaters in a sale. If there are 180 red and silver sweaters altogether,
  1. how many red sweaters are there?
  2. how many more red sweaters than silver sweaters?