30%.
Well, the simplest way to do it is to put it as a fraction.
90/300.
This is the same as 3/10, which is the same as .30, which is the same as 30% :P
Hope this helped!
Ok so ratios
height:shadow =60:24
fractionify
60/24=5/2
5:2 is ratio
if shadow of tree=4 then what is height
5:2=x:4
multipliby 2
10:4=x:4
x=10
10 feet
Hi, 911 - 347 = 564.
Hope this helps! :)