When a value undergoes an initial 10% increase followed by a subsequent 10% decrease, the resulting quantity becomes:__________?
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Answer: B. 4:5
Explanation
A 10% increase followed by a 10% decrease results in a net change of 1 - 0.1^2 = 0.99, or expressed as a ratio of the original, 99/100 which approximates 4:5 in the given options context.
- Subject
- Mathematics
- Category
- Mathematics
- Topic
- —
- Difficulty
- medium
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