4636509
Description
Note by Lee Holness, updated more than 1 year ago
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Created by Lee Holness
almost 9 years ago
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Page 1
Helen is going to buy some floor tiles for her bathroom.she needs a total of 48 tiles.Helen designs a pattern with black tiles and white tiles.The tiles are in a ratio of 1:3.Helen works out that she needs to buy 12 black tiles.Is Helen correct?Show why you think this.Show a check for your working out.
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