Solve the Problem $1 \frac { 1 } { 2 }$

question 157

Multiple Choice

Solve the problem.
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Three boards are used as shelves in a bookcase. Each one is $1 \frac { 1 } { 2 }$ inches thick and the shelves are evenly spaced. If the height, $h$ , of the bookcase is 30 inches, how much space is between each shelf?

• A) 15 inches
• B) \(12 \frac { 3 } { 4 }\) inches
• C) 9 inches
• D) 10 inches

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Definitions:

Identified

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Human

A member of the species Homo sapiens, characterized by bipedalism, higher cognitive functions, and complex social behaviors.

Encephalization Quotient

A measure for comparing the brain mass of an animal to the expected brain mass for an animal of the same body size, often used to estimate an animal's intelligence.

Dolphin

A highly intelligent marine mammal known for its playful behavior, echolocation abilities, and complex social structures.