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jmc

algebra junior

Problem

Monica, who is 5 feet tall, is standing next to a pine tree that casts a shadow 34 feet long. If Monica's shadow is 2 feet long, how tall is the pine tree, in feet?
Solution
Monica's shadow is times as long as she is tall, so the pine tree's shadow is also times as long as the tree is tall. Since the pine tree's shadow is 34 feet long, the pine tree itself is tall.
Final answer
85\text{ feet}