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Question
A photographer uses a computer program to enlarge a photograph. What is the scale according to which the width has enlarged?
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Solution
By the given graph, we have width before editing = 2 units
Width after editing = 4 units
We know that,
Scale = `"Size before editing"/"Size after editing"`
∴ Scale = `2/4 = 1/2 = 1 : 2`
Hence, scale used to enlarge the photograph is 1 : 2.
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