20 POINTS PLEASE HELP!!!

Tyler is 6 feet tall and Blake measures his shadow to be 10 ½ feet long. Maddie measures the shadow of the tree to be 21 feet long. How tall is the tree to the nearest tenth of a foot.

20 POINTS PLEASE HELP Tyler is 6 feet tall and Blake measures his shadow to be 10 feet long Maddie measures the shadow of the tree to be 21 feet long How tall i class=