If a 40 foot tree cast a 16 foot shadow, what is the length of the shadow cast by a 27 foot tree?

Can someone answer this question? : )

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?