The formula 3239 x + 96 y = 134 , 014 models the number of daily evening newspapers, y, x years after 1980. The formula β 665 x + 36 y = 13 , 800 models the number of daily morning newspapers, y, x, years after 1980. What is the most efficient method for solving this sytem? Explain why. What does the solution mean in terms of the variables in the formulas? (It is not necessary to actually solve the system).
The formula 3239 x + 96 y = 134 , 014 models the number of daily evening newspapers, y, x years after 1980. The formula β 665 x + 36 y = 13 , 800 models the number of daily morning newspapers, y, x, years after 1980. What is the most efficient method for solving this sytem? Explain why. What does the solution mean in terms of the variables in the formulas? (It is not necessary to actually solve the system).
Solution Summary: The author explains that elimination method is the most efficient method for solving a given system.
The formula
3239
x
+
96
y
=
134
,
014
models the number of daily evening newspapers, y, x years after 1980. The formula
−
665
x
+
36
y
=
13
,
800
models the number of daily morning newspapers, y, x, years after 1980. What is the most efficient method for solving this sytem? Explain why. What does the solution mean in terms of the variables in the formulas? (It is not necessary to actually solve the system).
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