The attendance at a seminar in year 1 was 500. in year 2, the attendance changed by 100. what was the percent change in attendance?

The percent change in attendance was 20%.

Step-by-step explanation:

Given: The attendance at a seminar in year 1 = 500

In Year 2, the attendance changed by = 100

Therefore, change in the attendance= 100

The percent change in the attendance is given by :-

Therefore, the percent change in attendance was 20%.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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