Question

The flagpole casts an 8 foot shadow as shown in the table at the same time the oak tree casts 12-foot shadow how tall is the oak tree? Flag pole is 20 ft tall

Answer 1

12 / 8 = 1.5
1.5 * 20 = 30
therefore the oak tree is 30 feet tall

double check:
8 / 20 = 0.4 = shadow length per ft

30 * 0.4 = 12