The answer 2+(-3) well I just need to add more so don’t pay attention to this
Answer
Not enough information
Step-by-step explanation:
Without being given the age for at least one of the people at any given time we cannot come to a solid answer
The area of a trapezoid is:

A = area
a = base 1
b = base 2
h = height
Area = unknown
base 1 = 2.5
base 2 = 7.5
height = 2.5
^^^Plug these numbers into the formula!

A = (10/2)(2.5)
A = (5)(2.5)
A = 12.5
Hope this helped!
The answer is 10 meters because 8 multiplied by 25% equals 2. 8 plus 2 is 10. So that means that the new amount of meters is 10 meters.