Session 65322813 numerical question Suppose that a typical consumer basket for an economy is made up of two products pizza and beer. An average consumer in this economy purchases 2 pizzas and 6 beers in a week and these amounts do not change. The base year is 2010 . The price per pizza and per beer are below \table[[Year,Pizza
P_(p)
,Beer
P_(b)
,CPI (P),
\pi
The difference between the two outputs of a firm is 4 . Nine times the larger quantity is 13 times the smaller quantity. Write a system of equations describing the given conditions. Then solve the system and find the two output levels. Let
x
represent the larger quantity and
y
represent the smaller quantity. Type the equation for "The difference between two quantities is 4 ."
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(Enter your response as an equation in terms of
x
and
y
.)