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Last weekend, the number of visitors at a zoo was z. This weekend, the number of visitors at the zoo can be represented by the given expression. 1.13z Which set of statements is true?
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Last weekend, the number of visitors at a zoo was z. This weekend, the number of visitors at the zoo can be represented by the given expression. 1.13z

Which set of statements is true?

Last weekend, the number of visitors at a zoo was z. This weekend, the number of visitors-example-1
User Steve Barnes
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2 Answers

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9 votes
The correct answer would be C, the amount of visitors increased by 13%. z is 100%, or the original number, and is already included in the equation as the 1 (1 is 100% in decimal form)
User Iivel
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9 votes
9 votes

Answer: Choice C

Notice how z + 0.13z = 1z + 0.13z = (1+0.13)z = 1.13z

The 0.13z represents the increase of 13%

User Justin Erswell
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