Solve, Using the Substitution Method, and Check $\begin{array} { c } 2 x + y = 11 \\y = 3 x\end{array}$

question 6

Essay

Solve, using the substitution method, and check. $\begin{array} { c } 2 x + y = 11 \\y = 3 x\end{array}$ Enter your answer as an ordered pair in the form (x, y). Express your answer as fractions.

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Definitions:

Price Elasticity

A measure of how sensitively the quantity demanded of a good or service responds to a change in its price.

Supply

The total amount of a product or service available for purchase at any given time.

Demand

is the quantity of a product or service that consumers are willing and able to purchase at various prices at a given time.

Income Elasticity

The ratio of the percentage change in the quantity demanded of a good to the percentage change in consumer income, used to measure how changes in income affect demand.