Answer:
50% increase
Step-by-step explanation:
% change = (new value-initial value)/initial value x 100
= (150-100)/100 x 100 = 50%
To do this you have to fill in the equation

, but you don't know the height, so we'll use

for height. Plugging in the numbers you gave me, the equation is:

. To solve this, we need to find

. To find height you do

. Doing this, we get

=
3.75 ft.Hope this helped!