64,659 views
2 votes
2 votes
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
by
3.0k points

2 Answers

9 votes
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
by
3.7k points
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
by
3.3k points