# On sunny day, a 5-foot red kangaroo casts a shadow that is 7 feet long. The shadow of a nearby eucalyptus tree is 35 feet long. How do you write and solve a proportion to find the height of the tree?

##### 1 Answer

Jun 8, 2018

Let the height of the kangaroo be

Let the length of the shadow of the kangaroo be

Let the unknown height of the tree be

Let the length of the shadow of the tree be

The proportion is:

Solve for

Substitute in the known values: