Question

15) A 2ft dog casts a shadow that is 2.5 ft long. At the same time, a

tree casts a 70 ft long shadow. How tall is the tree ?

Answer 1

Answer = 56
Why??
2/2.5 = x/70
Swap sides
x/70 = 2/2.5
x = 2/2.5 * 70
X= 56
Hope it helps