Tina Is Training for a Biathlon

question 137

Multiple Choice

Tina is training for a biathlon. To train for the running portion of the race, she runs 8 miles each day, over the same course. The first 2 miles of the course is on level ground, while the last 6 miles is downhill. She runs 3 miles per hour slower on level ground than she runs downhill. If the complete course takes 1 hour, how fast does she run on the downhill part of the course?

• A)6 mph
• B)9 mph
• C)18 mph
• D)3 mph
• E)12 mph

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Definitions:

Egocentrism

The cognitive inability to understand or assume any perspective other than one's own, commonly seen in early childhood development.

Piaget

Swiss psychologist known for his pioneering work in child development and his theory of cognitive development explaining how children acquire knowledge.

Theory of Mind

The cognitive ability to understand that others have beliefs, desires, and intentions that are different from one's own.

Piaget

Swiss psychologist known for his pioneering work in child development and his theory of cognitive development stages.