Solve Simplify the Answer $16 \frac { 1 } { 2 }$

question 397

Multiple Choice

Solve. Simplify the answer.
-Last week, Samantha ran 18 miles. This week, she ran $16 \frac { 1 } { 2 }$ miles. How much more did she run last week?

• A) \(25 \frac { 1 } { 2 } \mathrm { mi }\)
• B) \(1 \frac { 7 } { 11 } \mathrm { mi }\)
• C) \(1 \frac { 1 } { 2 } \mathrm { mi }\)
• D) \(34 \frac { 1 } { 2 } \mathrm { mi }\)

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Definitions:

Midpoint Method

A technique used in economics to calculate the percentage change between two points by dividing the change by the average of the initial and final values.

Normal Goods

Goods for which demand increases as the income of individuals increases, and vice versa.

Income Elasticity of Demand

An indicator of the responsiveness of the demand for a product to variations in consumer income.

Cross-Price Elasticity of Demand

A measure of how much the quantity demanded of one good responds to a change in the price of another good.