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When a number is increased by 84%, the result is 72. What is the original number to the nearest tenth?
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When a number is increased by 84%, the result is 72. What is the original number to the nearest tenth?

User Jaydo
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4 votes
39.1 to the nearest tenth is 39.
User Epcylon
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6 votes
The original number is 72/1.84=39.1

Explanation: when you increase a number by 84%, you are multiplying it by 1.84
User SReject
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