Answer :
The attendence increase by 4%
Step - by - Step Explanation
What to find? Percentage increase.
Given Parameters:
• Increase = 160
,• Initial value or original number = Number of last year attendance = 4000.
Percentage Increase can be calculated using the formula below:
[tex]\text{ \% }increase=\frac{\text{ increase}}{\text{original value}}\times100\text{ }[/tex]Substitute the values into the formula above and simplify.
[tex]=\frac{160}{4000}\times100\text{ }[/tex][tex]=\frac{160}{40\cancel{00}}\times1\cancel{00}[/tex][tex]=\frac{16\cancel{0}}{4\cancel{0}}[/tex][tex]=\frac{16}{4}[/tex]
= 4
Therefore, the attendence increase by 4%.