Question
There are 159 marbles in Diana's collection. The number of her brown marbles is 2 times the number of her silver marbles.
  1. How many silver marbles does she have?
  2. How many brown marbles does she have?
4 m
(a)

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(b)

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There are 159 marbles in Diana's collection. The number of her brown marbles is 2 times the number of her silver marbles.
  1. How many silver marbles does she have?
  2. How many brown marbles does she have?